New Moon Calculator
This page runs a Javascript program which takes the current time and date, calculates the approximate time and date of the last previous and next new Moon. And there is more.
You can enter a date in the boxes at the right and click the
Calculate
button. The program will calculate the date and time (plus minus a few minutes for dates from 2000 B.C. to 2100 A.D.) of the New Moon close to the date you enter.
ClearEntries
before you enter a new date.
Year =
Month =
Day =
The New Moon close to this date is:
Year =
Month =
Day =
Approximate time:
hours
minutes U.T.
Astronomers use a dating system which include the year zero and years before zero are negative while those after are positive. Historians use a dating system where there is no zero year and there is a B.C. and A.D. Thus, the year "0" here corresponds to "1 B.C.", and the year "-100" is "101 B.C.", etc..