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BBT and Daylight Saving Time


Do I have to do anything special to chart my basal body temperature (BBT) when the time changes for Daylight Saving Time?

The effect of Daylight Saving Time (DST) on your basal body temperature is usually limited to the day of the change because you adjust quite quickly. In addition, the exact effect depends on your own metabolism. Some people will see no effect at all while others will see a slight change (increase or decrease). Because in general having one temperature slightly "off" will not change your chart interpretation, Fertility Friend's recommendation is to record your BBT as usual without correcting it in any manner. We recommend that you keep taking the temperature at the same time. If you took it at 6 in the morning before the change, then take it at 6 in the morning after the change.

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