Group date_group

Modules > date_group

Routines for date and time manipulation and conversion. More...

Public Functions

Type	Name
subroutine	canopy_date_mod::geth_idts (newdate newdate, olddate olddate, idts idts) Calculate time difference between two dates.
subroutine	canopy_date_mod::geth_newdate (ndate ndate, odate odate, idt idt)
subroutine	canopy_date_mod::getsdt (hdate hdate, sdate sdate, stime stime)
integer function	canopy_date_mod::julian (year year, mnth mnth, mday mday)
integer function	canopy_date_mod::nfeb (year year)
subroutine	canopy_date_mod::split_date_char (date date, century_year century_year, month month, day day, hour hour, minute minute, second second)

Detailed Description

This group contains subroutines and functions for: * Computing time differences between dates * Generating new dates from time increments * Converting between date formats * Julian day calculations * Date string parsing and manipulation

Public Functions Documentation

function geth_idts

Calculate time difference between two dates.

subroutine canopy_date_mod::geth_idts (
    newdate newdate,
    olddate olddate,
    idts idts
) 

Computes the time difference in seconds between two input dates in the format 'YYYY-MM-DD HH:MM:SS.ffff'. Handles leap years and different month lengths correctly.

Parameters:

• newdate The new (later) date string 'YYYY-MM-DD HH:MM:SS.ffff'
• olddate The old (earlier) date string 'YYYY-MM-DD HH:MM:SS.ffff'
• idts Time difference in seconds (newdate - olddate) [output]

Author:

NCAR, T. Otte

Date:

February 2001, modified 2011

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function geth_newdate

subroutine canopy_date_mod::geth_newdate (
    ndate ndate,
    odate odate,
    idt idt
) 

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function getsdt

subroutine canopy_date_mod::getsdt (
    hdate hdate,
    sdate sdate,
    stime stime
) 

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function julian

integer  function canopy_date_mod::julian (
    year year,
    mnth mnth,
    mday mday
) 

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function nfeb

integer  function canopy_date_mod::nfeb (
    year year
) 

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function split_date_char

subroutine canopy_date_mod::split_date_char (
    date date,
    century_year century_year,
    month month,
    day day,
    hour hour,
    minute minute,
    second second
) 

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