Date & time
ISOWEEKNUM function
ISO 8601 week number of a date. ISOWEEKNUM works in Sheets with the usual arguments and results, on cells and on live data from the tools you connect.
Syntax
=ISOWEEKNUM(date) | Argument | Use |
|---|---|
date | required |
On live data
In Sheets, ISOWEEKNUM sits next to live data from a connected tool: =data.orders.sum(total) totals a table, =list.orders(customer) spills a column's distinct values, and a linked table column such as table.orders[Total] is a range any function accepts.
More date & time functions
DATEDate from parts (yyyy-mm-dd)EOMONTHLast day of the month N months awayMONTHMonth of a date (1-12)NETWORKDAYSWorking days between two datesYEARYear of a dateDATEDIFYears, months or days between two datesDATEVALUEDate text as a serial numberDAYDay of the month (1-31)DAYSNumber of days between two datesDAYS360Days between dates on a 360-day yearEDATESame day N months before or after a dateHOURHour of a time (0-23)
Spreadsheet formulas on live business data
Sheets evaluates 491 spreadsheet functions, on cells and on data read live from your tools.