5 ms·

So, we could say that a "circadian second" is about 1.008 seconds? (On average) How precisely is that 24.2 known I wonder..

• jdmichal 10y ago
  From the referenced Wikipedia link: By recording the daily rhythms of hormones and body temperatures in 24 healthy young and old men and women over a one-month period, the researchers conclude that our internal clocks run on a daily cycle of 24 hours, 11 minutes. ... Researchers previously reported a range of 13 to 65 hours, with a median of 25 hours, 12 minutes. The variation between our subjects, with a 95 percent level of confidence, was no more than plus or minus 16 minutes, a remarkably small range. http://news.harvard.edu/gazette/story/1999/07/human-biological-clock-set-back-an-hour/ http://news.harvard.edu/gazette/story/1999/07/human-biologic...