FORMULA & SQL / DATES

Check if a date falls on a weekend.
Tested, not guessed.

The Excel and Google Sheets formula and the SQL query, each run on the rows below. Open this with your own data ↗

The example rows

Row	A: Region	B: Rep	C: Amount	D: Order Date	E: Status	F: Customer
2	North	Ana	1,200	2026-03-01	Paid	Jo Smith
3	South	Ben	450	2026-03-15	Open	Raj Patel
4	North	Cy	300	2026-04-02	Paid	Lee Wong
5	East	Ana	980.50	2026-04-20	Paid	Mia Ross
6	North	Ben	75	2026-05-05	Open	Jo Smith
7	West	Dee	1,640	2026-05-18	Paid	Sam Okoro

Excel

=IF(WEEKDAY(D2,2)>5,"Weekend","Weekday")

If WEEKDAY(Order Date (D2), 2) — which gives the day of the week as a number is more than 5, then "Weekend", otherwise "Weekday".

Run on the example rows:

PostgreSQL

SELECT *, CASE WHEN EXTRACT(DOW FROM order_date) IN (0, 6) THEN 'Weekend' ELSE 'Weekday' END AS day_type
FROM sales

Other databases

MySQL

SELECT *, CASE WHEN DAYOFWEEK(order_date) IN (1, 7) THEN 'Weekend' ELSE 'Weekday' END AS day_type
FROM sales

SQLite

SELECT *, CASE WHEN strftime('%w', order_date) IN ('0', '6') THEN 'Weekend' ELSE 'Weekday' END AS day_type
FROM sales

BigQuery

SELECT *, CASE WHEN EXTRACT(DAYOFWEEK FROM order_date) IN (1, 7) THEN 'Weekend' ELSE 'Weekday' END AS day_type
FROM sales

Snowflake

SELECT *, CASE WHEN DAYOFWEEK(order_date) IN (0, 6) THEN 'Weekend' ELSE 'Weekday' END AS day_type
FROM sales

Paste your rows into the free tool and it writes this for your columns, then runs it on your data before you copy it. Open the tool ↗