Difference Between Dates and Optional Times
Times are in 00:00 to 24:00 Format
PHP Program by Jay Tanner
Start Date
: ±Y M D
Start Time
: HH:MM:SS
:
:
Calendar Mode
:
Julian
Gregorian
End Date
: ±Y M D
End Time
: HH:MM:SS
:
:
Calendar Mode = Gregorian Start Date/Time = 2025 July 01 Tue 00:00:00 Julian Date = 2460857.5 Julian Day Number = 2460858 -------------------- End Date/Time = 2398 July 20 Wed 00:00:00 Julian Date = 2597092.5 Julian Day Number = 2597093 =================================================== DIFFERENCE BETWEEN THE DATES AND TIMES = EndDate − StartDate = 136235 d = 372.998761097 Gregorian yr = 136235d 00h 00m 00s = 19462wk 1d 00h 00m 00s ==================== 2025 July Su Mo Tu We Th Fr Sa 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 ==================== 2398 July Su Mo Tu We Th Fr Sa 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31
Jay Tanner - 2025