datenum()
Date & Time
datenum() is a MATLAB®-compatible date & time function for convert a datetime to the legacy matlab serial date number (days elapsed since 0000-01-00). provided for interop with old code; use datetime arithmetic in new scripts. Run it online in your browser with SimLab — free, no install, no license required.
Convert a datetime to the legacy MATLAB serial date number (days elapsed since 0000-01-00). Provided for interop with old code; use datetime arithmetic in new scripts.
Syntax
datenum(d)
Examples — run datenum() in your browser
n = datenum(datetime('2024-01-01'));▶ RunSee Also
Frequently Asked Questions about datenum()
Is the datenum() function free to use in SimLab?
Yes. SimLab is 100% free — no signup, no license, and no usage limits. You can run datenum() and 510+ other MATLAB®-compatible functions directly in your browser at simulations4all.com/simlab.
Do I need to install MATLAB to use datenum()?
No. SimLab runs entirely in your web browser with zero installation. The datenum() function works without any MATLAB® license or software download.
What does datenum() do?
Convert a datetime to the legacy MATLAB serial date number (days elapsed since 0000-01-00). Provided for interop with old code; use datetime arithmetic in new scripts. It is a MATLAB®-compatible date & time function available in SimLab with the same calling syntax as MATLAB® — typically: datenum(d).
Can I run datenum() in my browser?
Yes. Open SimLab at simulations4all.com/simlab, write or paste code that calls datenum(), and run it. Execution happens locally in your browser — no data leaves your machine.
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510+ functions. Runs in your browser. No install. No license.
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