Seconds since Jan 1, 1950 — convert, add/subtract, and batch-process epoch timestamps.
⏱ Live Epoch (since 1 Jan 1950)—Loading…
What is 1950 Epoch? Unlike Unix epoch (Jan 1, 1970), the 1950 epoch counts seconds from Jan 1, 1950 00:00:00 UTC. Common in aviation, meteorology (BUFR/GRIB), and legacy scientific systems.
⚠ Negative epoch — this date is before Jan 1, 1950. The value is valid but may not be accepted by all systems.
1950 Epoch Value (seconds, integers only)
0 (Epoch Zero)Y2K offsetCurrent Epoch
Decoded Date & Time (UTC)
—
⚠ Negative epoch — this date is before Jan 1, 1950.
All offsets are applied as exact seconds. Years are not supported — use days instead (365 or 366 for leap years) to avoid incorrect results.
Base Date (UTC)
Base Time (UTC)
HourMinuteSecond
± Seconds
± Minutes
± Hours
± Days
± Weeks
Result
Base epoch—
Offset—
New epoch—
New date—
One value per line. Accepted formats: Date → Epoch:YYYY-MM-DD or YYYY-MM-DD HH:MM:SS (UTC assumed) Epoch → Date: Any integer (positive or negative). Maximum 500 lines.