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1 result for “julian day”
Formulae (1)
Time & Calendar
Advanced
Julian Day Number
J
D
N
=
⌊
365.25
(
Y
+
4716
)
⌋
+
⌊
30.6001
(
M
+
1
)
⌋
+
D
+
B
−
1524
JDN = \left\lfloor 365.25(Y+4716) \right\rfloor + \left\lfloor 30.6001(M+1) \right\rfloor + D + B - 1524
J
D
N
=
⌊
365.25
(
Y
+
4716
)
⌋
+
⌊
30.6001
(
M
+
1
)
⌋
+
D
+
B
−
1524
Continuous day count used by astronomers to compare dates.