Parameters

wd1and wd2are any one of these weekday strings: SUN MON TUE WED THU FRI SAT

gmt is either GMT for Greenwich Mean Time, or is left out for local time.

Only the first parameter, wd1, is mandatory. Either wd2, gmt, or both can be left out.

If only one parameter is present, the function returns a true value on the weekday that the parameter represents. If the string GMT is specified as a second parameter, times are given in GMT. Otherwise, the times are given in your local time zone.

If both wd1 and wd2 are defined, the condition is true if the current weekday is between those two weekdays. Bounds are inclusive. The order of parameters is important; “MON,” “WED” is Monday through Wednesday, but “WED,” “MON” is from Wednesday to the Monday of the next week.