Cool Moon Facts by Whip

Real astronomy and dated history, with sources. Documented traditions and folklore. Modern lunar astrology · symbolic, not predictive.

Chart basics · Beginner

Daylight saving time

Also called summer time, DST, DST

Setting clocks forward in summer: it skips an hour in spring and repeats one in autumn.

A time in the skipped hour never happened; a time in the repeated hour happened twice. This site refuses the first and asks which of the two was meant for the second, rather than guessing, because the two can give different houses. The rules and dates come from the IANA database for the birthplace and year.

  • Kind: Calculation
  • Tradition: Shared across Western traditions
  • In this site’s birth chart: used

Related: Time zone, Coordinated Universal Time, Birth time

Written for Cool Moon Facts in its own words. An astrology source documents what astrologers believe or practise; it does not establish that astrology works.

All terms · Your birth chart

Settings

Your location

Only used to work out rise and set times. It stays in this browser.

Moon orientation

Southern-hemisphere skies show the moon flipped. This follows your location automatically.

Saved facts

Everything saved here

This site keeps your location, your saved facts and your settings in this browser and nowhere else. Nothing is uploaded, and nothing here can be recovered once it is gone.

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