Julian Day and Civil Date Calculator
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A.D.
B.C.
is a
whose Julian Day Number is
Calendar:
Auto (Julian/Gregorian)
Julian Only Start
Calc
(Edit the following field for interval calculations.)
is followed
days later by
Jan
Feb
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Dec
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31
A.D.
B.C.
is a
whose Julian Day Number is
Calendar:
Auto (Julian/Gregorian)
Julian Only
Test:
x=-0.5, 0, 0.5
test floor:
test ceil:
MJD-Link: USNO (
MJD
)