day()
Date & Time
day() is a MATLAB®-compatible date & time function for extract the day-of-month (1-31) from a datetime. Run it online in your browser with SimLab — free, no install, no license required.
Extract the day-of-month (1-31) from a datetime.
Syntax
day(d)
Examples — run day() in your browser
dy = day(datetime(2024, 6, 15)); % 15▶ Run
See Also
Frequently Asked Questions about day()
Is the day() function free to use in SimLab?
Yes. SimLab is 100% free — no signup, no license, and no usage limits. You can run day() and 510+ other MATLAB®-compatible functions directly in your browser at simulations4all.com/simlab.
Do I need to install MATLAB to use day()?
No. SimLab runs entirely in your web browser with zero installation. The day() function works without any MATLAB® license or software download.
What does day() do?
Extract the day-of-month (1-31) from a datetime. It is a MATLAB®-compatible date & time function available in SimLab with the same calling syntax as MATLAB® — typically: day(d).
Can I run day() in my browser?
Yes. Open SimLab at simulations4all.com/simlab, write or paste code that calls day(), and run it. Execution happens locally in your browser — no data leaves your machine.
Try SimLab — MATLAB®-compatible, free, in your browser
510+ functions. Runs in your browser. No install. No license.
Open SimLabMATLAB® is a registered trademark of The MathWorks, Inc. SimLab is an independent project by Simulations4All and is not affiliated with, endorsed by, or sponsored by The MathWorks, Inc.