datetime()

Date & Time

datetime() is a MATLAB®-compatible date & time function for construct a date/time value. accepts iso/rfc2822/sql date strings, the literal "now", or numeric year/month/day(/hour/minute/second) arguments. all times stored in utc. Run it online in your browser with SimLab — free, no install, no license required.

Construct a date/time value. Accepts ISO/RFC2822/SQL date strings, the literal "now", or numeric year/month/day(/hour/minute/second) arguments. All times stored in UTC.

Syntax

datetime('YYYY-MM-DD')
datetime('now')
datetime(year, month, day)
datetime(year, month, day, hour, minute, second)

Examples — run datetime() in your browser

d = datetime('2024-06-15');
▶ Run
now_ts = datetime('now');
▶ Run
birthday = datetime(1990, 5, 12, 8, 30, 0);
▶ Run

Limitations

UTC only — time zones beyond the default are not supported. calendarDuration and the legacy datestr format-string parser are deferred.

See Also

Frequently Asked Questions about datetime()

Is the datetime() function free to use in SimLab?

Yes. SimLab is 100% free — no signup, no license, and no usage limits. You can run datetime() and 510+ other MATLAB®-compatible functions directly in your browser at simulations4all.com/simlab.

Do I need to install MATLAB to use datetime()?

No. SimLab runs entirely in your web browser with zero installation. The datetime() function works without any MATLAB® license or software download.

What does datetime() do?

Construct a date/time value. Accepts ISO/RFC2822/SQL date strings, the literal "now", or numeric year/month/day(/hour/minute/second) arguments. All times stored in UTC. It is a MATLAB®-compatible date & time function available in SimLab with the same calling syntax as MATLAB® — typically: datetime('YYYY-MM-DD').

Can I run datetime() in my browser?

Yes. Open SimLab at simulations4all.com/simlab, write or paste code that calls datetime(), 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.

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