get_jd: IHA Julian Day

Description Usage Arguments Details Value

Description

Compute Julian Day as per IHA v7.

Usage

1
get_jd(d)

Arguments

d

Date or POSIX*t object

Details

IHA defines Jan 1 as JD 1 and Dec 31 as JD 366 for both leap years and non-leap years. In non-leap years, JD 60 (Feb 29) is skipped, so that e.g. Feb 28 2003 is JD 59 and Mar 01 2003 is JD 61.

Value

Integer Julian date.


mkoohafkan/flowregime documentation built on May 23, 2019, 2:02 a.m.