jd2ymd: JD to year, month, date

Description Value Author(s) References See Also Examples

Description

Convert Julian date to UT1 year, month, and date.

Value

Date for 0h, UT1, with class POSIXct

Author(s)

Andrew Harris

References

Fliegel & Van Flandern, Comm. ACM 10, 657 (1968), whose algorithm uses FORTRAN integer mathematics

See Also

weekdays, dmjd2ut

Examples

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jd2ymd(2456092.5) # returns 0h date, 2012-06-14 UT
jd2ymd(2456092.6) # returns 0h date, 2012-06-14 UT
jd2ymd(2456092.4) # returns 0h date, 2012-06-13 UT


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