# Day of week calculator

## World's simplest time tool

With this browser-based application, you can find the day of the week for the given calendar date. You can enter several dates into the input at once and get the name of the day for each date. You can print the full or abbreviated name of the day and also display the original date in the output. Created by computer nerds from team Browserling.

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Day of week calculator tool
What is a day of week calculator?

This is a quick online utility for calculating and printing the day of the week (abbreviated as dotw) for the given calendar date. You can input any calendar date in the format YYYY-MM-DD and get "Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", or "Saturday" as the output. You can also paste multiple calendar dates into this program – one per line, separated by the enter key. The names of the days can be abbreviated via a checkbox option. If it's selected, they will be displayed as "Sun", "Mon", "Tue", "Wed", "Thu", "Fri", and "Sat". Additionally, to better keep track of multiple calendar dates, you can duplicate the input date in the output. For example, the date "2024-04-04" will be printed as "2024-04-04 is Thursday". Timeabulous!

Day of week calculator examples
Click to use

Birthday DOTW

In this example, we find on which day of the week (dotw) the birthday of our co-worker falls on. We enter the date of his birth "2001-06-15" in the input field and get the dotw "Friday" as the output.

2001-06-15

Friday

**Required options**

Use a short name for each
dotw. For example, "Sun",
"Mon", "Tue", "Wed", ….

Duplicate the given calendar
date in the output.

New Years Eve

In this example, we calculate the days of the week the next ten new year eves will fall on. We enter the calendar dates from 2025 to 2035 in the utility and we get a corresponding day name for each eve. We also turn on the option to duplicate each date in the output so that there was no confusion about which day name belongs to which date.

2025-12-31
2026-12-31
2027-12-31
2028-12-31
2029-12-31
2030-12-31
2031-12-31
2032-12-31
2033-12-31
2034-12-31
2035-12-31

2025-12-31 is Wednesday
2026-12-31 is Thursday
2027-12-31 is Friday
2028-12-31 is Sunday
2029-12-31 is Monday
2030-12-31 is Tuesday
2031-12-31 is Wednesday
2032-12-31 is Friday
2033-12-31 is Saturday
2034-12-31 is Sunday
2035-12-31 is Monday

**Required options**

Use a short name for each
dotw. For example, "Sun",
"Mon", "Tue", "Wed", ….

Duplicate the given calendar
date in the output.

Days of the Week from the Previous Century

In this example, we paste the dates from several important 20th-century video game industry events into the input. In particular, we use the date of the Magnavox Odyssey release (September 22, 1972), the Gameboy release (April 21, 1989), the Sega Genesis launch (October 29, 1988), and others. We find the day of the week for each event and print it in an abbreviated format.

1972-09-22
1972-11-29
1988-10-29
1989-04-21
1993-12-10
1994-09-16

1972-09-22 is Fri
1972-11-29 is Wed
1988-10-29 is Sat
1989-04-21 is Fri
1993-12-10 is Fri
1994-09-16 is Fri

**Required options**

Use a short name for each
dotw. For example, "Sun",
"Mon", "Tue", "Wed", ….

Duplicate the given calendar
date in the output.

Pro tips
Master online time tools

You can pass input to this tool via

__?input__query argument and it will automatically compute output. Here's how to type it in your browser's address bar. Click to try!
https://onlinetimetools.com/find-day-of-week

__?input__=2001-06-15&short-week-name=false&print-date=false
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