dt_first_day_of_month (public)

 dt_first_day_of_month year month

Defined in packages/acs-datetime/tcl/acs-datetime-procs.tcl

Parameters:

year (required)

month (required)

Returns:

the weekday number of the first day for the given month/year

Partial Call Graph (max 5 caller/called nodes):

Testcases:

dt_first_day_of_month, dt_early_years, dt_date_rollover_errors, dt_legacy_short_years

Source code:

    # calendar widgets are expecting integers 1-7, so we must adjust
    return [expr {[clock format [clock scan [dt_make_ansi_date $year $month 1] -format %Y-%m-%d] -format %w] + 1}]

XQL Not present:

PostgreSQL, Oracle

Generic XQL file:

packages/acs-datetime/tcl/acs-datetime-procs.xql