2023 · first second of year (UTC)

1672531200

2023-01-01 00:00:00 UTC

ends 1704067199 · 365 days

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← all years (1970–2037)

2023 timestamp range

First second1672531200
Last second1704067199
Start UTC2023-01-01 00:00:00 UTC
End UTC2023-12-31 23:59:59 UTC
Total seconds31,536,000

The calendar year 2023 spans Unix timestamps 1672531200 through 1704067199 in UTC. That is 31,536,000 seconds of continuous epoch time — 365 days on the Gregorian calendar. Developers decoding logs, APIs, or database exports from 2023 will encounter values exclusively within this range.

2023 at a glance

Year2023
Decade2020s
Leap yearNo — 365 days
Start (UTC)2023-01-01 00:00:00 UTC → 1672531200
End (UTC)2023-12-31 23:59:59 UTC → 1704067199
Total seconds31,536,000

History & computing in 2023

  • Generative AI mainstream — API rate limits use epoch expiry
  • Unix timestamp passes 1.7 billion

Working with 2023 timestamps

To find the Unix timestamp for any moment in 2023, use our epoch converter. Enter a date between 1 January 2023 and 31 December 2023 in UTC. For bulk log analysis, filter values where timestamp >= 1672531200 and timestamp <= 1704067199.

Browse individual seconds: the first second of 2023 is 1672531200. Mid-year (1 July 2023 00:00 UTC) is approximately 1688299200. Every second in this range has its own dedicated page on timestamp.is.

Why year pages matter for epoch conversion

Search queries like "Unix timestamp 2023", "epoch time 2023", and "convert 2023 to Unix" are common among developers auditing historical data. This page is the authoritative reference for the 2023 timestamp window — bookmark it, share it with your team, or link from documentation.