Excel

DATE(year,month,day)

now()

today()

time()

day()

hour()

month()

minute()

second()

year()

weekday()

datavalue()

timevalue()

days()

day360()

edate()

eomonth()

isoweeknum()

networkdays()

networkdays.intl

workday()

workday.intl()

weeknum

yearfrac