User Manual for
Lunar Calendars and Eclipse FinderMoving Forward and Backward The software allows adding or subtracting a time period to or from a date in one of these calendars, either by using the Move forward/back facility or by using the Convert facility with a value specified for "days".
The display may be moved forward or backward by any of the following time periods:
- 1 minute
- 1 hour
- 1 day
- 1 CE month
- 1 CE year
- 1 CE century
- 1 ARC month
- 1 ARC year
- 1 MP month
- 1 MP year
- 1 MP cycle
- 1 MMG month
- 1 MMG year
- 1 MMG cycle
- 1 LLT month
- 1 LLT year
- 1 LLT cycle
- 1 HLW week
- 1 HLW month
- 1 HLW year
The Move button is used to move the displayed dates forward or backward by any of the above periods; it does not require any content in the Date/time window.
The Convert button is used (a) to convert a date in the Date/time window to dates in the other calendars or (b) to add or subtract a specified number of days (which may include a fractional part) given in the plus/minus window to or from a date in the Date/time window.
If you click on Convert with a value in the plus/minus window, but with the Date/time window empty, then the program will perform the addition or subtraction with the currently displayed date.
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