📅 Date & Time

Date to Unix Timestamp

Convert a calendar date (UTC midnight) into a Unix timestamp.

Results

Unix timestamp (s)
1,767,225,600
Milliseconds
1,767,225,600,000

📊 Date to Unix Timestamp chart

Character composition of the result: letters, digits, spaces, punctuation and other symbols.

What is the Date to Unix Timestamp?

Convert a calendar date (UTC midnight) into a Unix timestamp. Dates are deceptively tricky — months have different lengths and leap years shift everything. These date and time calculators handle calendar math exactly, using UTC to avoid daylight-saving surprises.

Date to Unix Timestamp – free online date & time tool illustration
Date to Unix Timestamp — free, exact and private.

How to use the Date to Unix Timestamp

  1. Enter your date, your time.
  2. Results update automatically as you type; you can also press Calculate.
  3. Read the output: unix timestamp (s), milliseconds.
  4. Use the 📊 chart to see the result visually, then copy or share it.

Formula and method

Timestamp = seconds since 1970-01-01 00:00 UTC

Worked example

With date = 2026-01-01, time = 00:00, the Date to Unix Timestamp returns unix timestamp (s): 1,767,225,600; milliseconds: 1,767,225,600,000.

Tips for better results

  • Decide whether you need to include the end date when counting days.
  • Business-day counts exclude weekends but not public holidays unless you subtract them.
  • Timestamps are shown in UTC; convert to your local time zone as needed.

Frequently asked questions

What does the Date to Unix Timestamp do?

Convert a calendar date (UTC midnight) into a Unix timestamp.

How is it calculated?

The Date to Unix Timestamp uses this method: Timestamp = seconds since 1970-01-01 00:00 UTC.

Can you show an example?

With date = 2026-01-01, time = 00:00, the Date to Unix Timestamp returns unix timestamp (s): 1,767,225,600; milliseconds: 1,767,225,600,000.

Is the Date to Unix Timestamp accurate?

Yes. It uses standard formulas and exact constants, and the results are verified by our automated test suite. Values are displayed to up to 12 significant digits.

Is this tool free and private?

Yes — the Date to Unix Timestamp is completely free with no sign-up, and it runs entirely in your browser, so the values you enter are never uploaded to our servers.

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