Unix time
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The number of seconds since the Unix Epoch (1-1-1970).
Originally unix time was stored as a 32-bits integer which limits the time to reaching 19 January 2038 03:14:07 UTC [1]. Modern computers use a 64-bit field that expands the maximum time far beyond the expected lifetime of the universe.
- date +%s
- Return the current unix time
| Timeframe | Seconds |
|---|---|
| Hour | 3600 |
| Day | 86400 |
| Week | 604800 |
| Year | 31536000 |