W.D. Gann Time Cycles: Squares, Angles and Market Timing

W.D. Gann Time Cycles - Squares, Angles and Market Timing

Time is the most important factor when it comes to making trading decisions, so incorporate the time factor into your trading. W.D. Gann said he believed that time was the most important factor in forecasting market movement. He felt that time would overbalance space and volume but arrest momentum. “The future is a repetition of the past,” he opined, “and each market movement is working out time in relation” to a previous time cycle.

Gann wrote that in a rally cycle, when a price declines under an angle, price will often dip down to the next angle before finding support. In reality, this does not necessarily occur. Quite often, a price may come back to test an angle before continuing a trend. These support and resistance angle lines should never be confused with support and resistance trendlines because the angle lines can be used to indicate time.

What Are Gann Time Cycles?

Gann time cycles are a method of examining the market through recurring periods of time. Instead of focusing only on how far price has moved, time-cycle analysis asks a different question: how much time has passed since an important market high, low, or change in trend?
In Gann-style analysis, significant turning points are treated as reference dates. From those dates, traders measure forward in days, weeks, months, or longer periods and watch how the market behaves when another meaningful time interval is reached. The purpose is not to assume that price must reverse on a specific date. A cycle date is better viewed as a period when the market deserves closer attention.
This idea fits Gann’s broader approach to market analysis, in which time, price, and geometry are studied together. The familiar relationship between a 360-degree circle and a calendar year of roughly 365 days is one reason geometric divisions became important in later interpretations of Gann’s work. These divisions create a framework for organizing time rather than treating every trading day as equally significant.
A Gann time cycle therefore acts as a timing framework. It helps traders identify when a previous market event may become relevant again, while the actual price action determines whether that time relationship has practical importance.

How Gann Time Cycles Work

A time cycle begins with a meaningful reference point. This is usually a major swing high, swing low, or another market turning point that clearly changed the direction or character of price. Choosing the starting point carefully is important because every later time measurement depends on it.
Once the reference point has been selected, the trader projects time forward from that date. The count may be expressed in days, weeks, months, or years depending on the timeframe being studied. The objective is to locate future periods that have a mathematical or historical relationship with the original turning point.
Gann analysis often divides larger periods into smaller proportions. A complete cycle can be separated into halves, quarters, eighths, or other meaningful divisions. This allows the trader to study intermediate timing points rather than waiting only for the completion of a full cycle.
The key is to treat these projected periods as observation windows. If the market reaches an important time count but price continues to move normally, the date by itself may have little practical value. If that same period coincides with a major support or resistance area, a Gann angle, or a visible change in market structure, the timing relationship becomes more noteworthy.
This is why time cycles are most useful as part of a broader analytical process. They help answer the question of when to pay closer attention, while price behavior helps determine whether anything important is actually happening.

Common Gann Time Cycles

Gann time analysis can be applied across several time horizons. Some cycles are used to study relatively short market swings, while others are better suited to longer-term market structure. Shorter cycles are generally measured from recent highs and lows and are used to monitor near-term changes in price behavior. They may cover several trading days or a number of weeks, depending on the chart and the importance of the starting point.
Intermediate cycles cover broader sections of market activity. Periods associated with quarter-year, half-year, and annual relationships are often monitored because they divide a larger time sequence into recognizable segments. Counts around 90, 180, 270, and roughly 360 days are examples of this type of time division.
Longer cycles extend the same principle over years rather than days or weeks. They are mainly used to study major market phases instead of short-term price fluctuations. The longer the cycle, the more important it becomes to work from a genuinely significant historical high or low rather than an ordinary swing point.
The correct cycle is not determined simply by choosing the most famous Gann number. It should fit the timeframe being analyzed and the market structure surrounding the original reference point. A daily chart used for short-term trading will naturally require a different perspective from a monthly chart used to study a multi-year market trend.
The Square of 90, Square of 52, and Square of 144 discussed in the following sections provide more specific ways of organizing these time relationships. Each applies a different mathematical structure to the same underlying idea: measuring where the market stands in time relative to an important earlier event.

Gann Square with Angles

Looking back over history, you must establish the Gann square with angles. Once you have identified the Gann angles, the Gann fan can be projected from future highs and lows. Time is the most important factor in market trading analysis. If you are able to enter and exit a trade at the right time, you will be able to take all the profit available in the market. This can be demonstrated in Figures 1 through 6.

Gann And The Time Factor By Koos Van der Merwe 01
-4.45 FIGURE 1: GANN SQUARE. Note the Gann square ABCD on the chart. The 2×1 angle is the one that has connected the low to the high. It is a good idea to keep an eye on it to determine time.

In Figure 1, I have established a Gann square. Note the Gann square ABCD on the chart. The 2×1 angle is the angle that has connected the low to the high, so it is this Gann fan that we now watch to determine time. Note what happens next. The price started off rising along the 8×1 angle, going up to test the 2×1 angle and falling back to the 4×1 angle. It then continued to rise with the 4×1 angle as a support and the 2×1 angle as a resistance.

Projecting the angles downward now that we have established them, we know the time. From the high, price fell sharply along the 8×1 angle to find support on the 1×1 upward angle. The low established should have occurred on February 6, 2009, but it did not. The angles also suggest time changes on December 30, 2009, November 10, 2010, and September 14, 2011. Can we trust these dates? The answer is no, so Gann the man must have used another strategy to develop time cycles.

Gann spent years in New York and London acquiring long-term price data for his research of the markets, with data going back to the early 1800s. He described so many yearly cycles that almost any future cycle high or low price would likely fall in any one of the many longer-term cycles from significant highs and lows. Discerning and determining which cycle is likely to be the cycle could not have been an easy task. Ignoring most of the cycles Gann analyzed, I have found the following to be the most effective:

  • March 21–22 Spring equinox
  • June 21–22 Summer solstice
  • September 21–22 Autumn equinox
  • December 21–22 Winter solstice

Major and minor trend changes are often found at or near these dates. These dates should be warning dates only, with normal trend analysis being the ultimate decision maker.

The Square of 90

The 90-degree time unit is a square of 360 degrees. One degree of a circle is therefore 1/360. One day is 1/365.25 of a year, close enough for Gann to accept that one day in his terminology is equal to one degree. From this concept he further divided 90 into 8ths, in counts of 11, 22, 34, 45, 56, 67, 79, and 90, reasoning that trend reversals from an important cycle high or low could occur on these days from day 1.

The Square of 52

Gann also analyzed the square of 52, which he applied to weeks, not days, so he would look at 6.5, 13, 19.5, 26, 32.5, 39, 45.5, and 52 weeks. In both squares of 90 and 52 he believed that counts should always be continued until the extreme high or low whence the count began is exceeded.

The Square of 144

Gann used the Square of 144 on monthly charts because there are 12 months in a year. These time divisions can be used to identify periods when traders may watch more closely for potential changes in market behavior. Rather than treating the indicated period as an exact turning point, traders may also monitor the two or three periods before and after it.

How to Use Gann Time Cycles on a Chart

Applying a Gann time cycle begins with identifying a clear turning point on the chart. A major high or low that started a strong move is usually more useful than a minor fluctuation because it represents a point the market has already shown to be important. After selecting the anchor, measure forward using the time interval you want to study. The counting method should remain consistent. If you begin with calendar days, for example, avoid switching halfway through the analysis to trading days unless there is a clear reason for doing so.
As the projected time period approaches, shift the focus back to price. Look at whether the market is approaching a previous high or low, testing support or resistance, interacting with a Gann angle, or showing evidence that momentum is changing. The time count tells you when to watch more carefully; it does not tell you automatically whether to buy or sell.
The strongest observations usually occur when several factors meet in the same area. A projected time window may become more relevant when it coincides with an important price level or a meaningful geometric relationship. This overlap is often described as time-price confluence. For example, a market may approach a projected cycle date at the same time that price reaches an established resistance area. If the market begins to stall or reverse, the timing and price evidence are supporting the same interpretation. If price continues through the level without hesitation, the time projection has not produced meaningful confirmation.
For a more advanced example of this approach, see Market Timing with Gann Time Counts and Cycle Ratios, where Robert Miner combines fixed time counts, cycle ratios, and timing clusters to identify potential reversal windows. Using cycles this way keeps the analysis grounded in what the market is actually doing. Rather than trying to force every cycle date into a prediction, the trader uses time as an additional layer of context around existing price structure.

Squaring Price with Time

Gann commented that if the trader watched a stock when time and price came together, the trader would be able to forecast changes in trend with greater accuracy. He added that the square of the extreme high on the monthly chart was very important, and when applied to a daily chart, it was crucial in indicating a potential trend change.

Time is the most important factor in market analysis and decision making, but time must be considered together with pattern and price rules for an indication of a trend change. You must never trade solely from timing signals. The most profitable setups with the least risk occur when there is a confluence of time, price, and pattern.

For a more detailed treatment of this relationship, Gann Cycles: Time & Price Cycle Analysis explores how time cycles can be coordinated with price cycles, Gann angles, and reversal-date analysis.

Time Symmetry and Anniversary Turning Points

Time symmetry is the idea that the duration of an earlier market move may provide a useful reference for a later one. If an important advance or decline lasted for a particular number of days or weeks, traders can compare that duration with subsequent market swings and watch for similar timing relationships.
The concept does not require two market moves to behave identically. Price may travel a different distance, follow a different pattern, or react differently to news and broader market conditions. The comparison is simply based on whether the amount of elapsed time is becoming similar.
Anniversary dates are another form of time comparison. A major high or low can remain a useful reference when the market approaches the same period in a later year. These dates may be monitored alongside other seasonal periods and historical turning points.
The value of an anniversary is therefore contextual rather than predictive. A calendar date alone is not enough to establish that a reversal will occur. It becomes more interesting when the market is simultaneously reaching an important technical level or showing a visible change in behavior.
This distinction is important when working with any form of Gann timing. The goal is not to turn historical dates into fixed forecasts. It is to identify periods when several independent observations begin to align and then let current market action determine whether the timing relationship is meaningful.

Rules in Timing

  1. Always determine the position of the market relative to its yearly cycle. Change may occur months or weeks before the anniversary date, depending on the cycle length.
  2. Note all anniversary dates. Minor and major trend reversals are inclined to occur at or near a previous major high or low.
  3. Watch seasonal time periods — that is, the equinoxes and solstices. Changes often occur at or near these dates.
  4. Determine important prices squared in time.
  5. A change in trend often occurs at daily, weekly, and monthly counts of the divisions of the square of 144, 90, and 52 from important highs and lows.
  6. Watch the days 11, 22, 33, 45, 56, 67, 78, and 90 from a low or high. The period “101 and 112” is referred to as the death zone because most corrections occurred at this count, according to Gann — I have not personally found this, but I remain mindful of it.

Du Toit Analysis

After studying W.D. Gann’s system over the years, analyst Franco du Toit developed a strategy for identifying time, combining the square of 90 and the equinox and solstice periods, that has proved very effective over the years. Du Toit determined the long-term Gann square with a Gann fan as shown in Figure 2. I have used the price chart of eBay as an example.

Gann And The Time Factor By Koos Van der Merwe 02
FIGURE 2: FANS AND SQUARES. You can determine the long-term Gann square with a Gann fan.

Knowing the parameters of the Gann fan, du Toit would project it forward from the new low as shown in Figure 3. He would mark off the number of days from the low and also the equinoxes and solstices. He would then mark the time periods where the Gann angles would cross the horizontal line from a previous strong pivot point. The 1×4 angle suggested the time period as shown by A, the 1×2 angle (B), and the 1×1 angle (C). Note how close the time periods are to the turning points on the chart.

Gann And The Time Factor By Koos Van der Merwe 03
FIGURE 3: ANALYZING AND IDENTIFYING TIME. Knowing the parameters of the Gann fan helps to identify the periods that represent turning points.

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Du Toit then projected the angles forward from the next pivot point as shown in Figure 4 and once again identified the time periods where the angles cross the horizontal from the previous pivot point. Note how angles 4×1 (D), 2×1 (E), and 1×1 (F) have identified major highs and lows. These time periods are noted for the future.

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FIGURE 4: PROJECTING FORWARD. By projecting the angles forward from the next pivot point, you can identify major highs and lows.

In Figure 5, I have once again projected the angles from a pivot point low and high. I have also plotted the solstice and equinox dates as well as the 135 and 180 date levels. If you choose, you can chart the intermediate dates. The chart does look complicated, but Gann charts always do. The recent 4×1 angle picked up a high at J and the 2×1 angle is suggesting that K is a low and eBay should now start moving upward. In addition, note how the December equinox found a minor pivot point.

Gann And The Time Factor By Koos Van der Merwe 05
FIGURE 5: PROJECTING ANGLES FROM PIVOT LOW AND HIGH. The recent 4×1 angle picked up a high at J and the 2×1 angle is suggesting that K is a low and that eBay should start moving upward.

Combining the price chart with a time chart for eBay, we get the chart displayed in Figure 6. The price of eBay as of January 14, 2010, is in a buy zone. However, it can also be considered to be in the sell zone, and any move below the 2×1 rising angle line (blue) will confirm this. The Gann time chart, however, suggests that a turning point should occur at the current price.

Note that the relative strength index (RSI) has not yet given a buy signal, but it is close. W.D. Gann would wait for a definite trend direction to be established. Should the price reverse itself, he has an upside target zone as well as the time the price should reach a top — April 2010. If price continues to fall, April 2010 would be a major bottom.

Gann And The Time Factor By Koos Van der Merwe 06
FIGURE 6: A BUY ZONE OR SELL ZONE? The chart suggests that the price of eBay as of January 14 is in a buy zone. But it can also be considered to be in the sell zone, and any move below the 2×1 rising angle line (blue) will confirm this. The RSI has not yet given a buy signal but is close to doing so. If price reverses, you have the upside target zone, as well as the time the price should reach a top — that is, April 2010. If price continues to fall, then April 2010 would be a major bottom.

Gann always believed that action should be taken only when the market showed an indication of a change or continuation of a trend. You should never take action on expectations alone.

Trade on What You Know

Gann did not explain the causes of market activities, but he did describe specific techniques, indications, and rules that describe market activity. He was a stalwart believer in natural laws, going so far as to consider full moons and other planetary movements in his analysis that gave his work an aura of mysticism.

There are many other Gann methods and rules out there that I have not described in these series of articles, simply because they have not proved themselves to be reliable or profitable. Study Gann techniques, practice them, and satisfy yourself that they do indeed work. And above all, make money by following the trend.

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