Moon Phases Finder Algorithm

This algorithm is used to calculate the times of the four phases of the moon;
new moon, first quarter, full moon and last quarter.
Times are given by Day/Month/Year, Hour and Minute.

The targeted four events are the first to occur starting from the below selected date.

Specify a date to start calculation from

Day: Month: Year:

Then click Calculate

Or simply click to calculate the first next occurrence.

Also you can choose from the following options:

Depending on the scientific resources of this algorithm, the results could tolerate up to 1 minute errors.

This algorithm is included as an exact reproduction of its origin, and it does not represent the opinion of the owner of this site.