| Timestamp | Date & Time (UTC) | Description |
|---|---|---|
| 0 | 1970-01-01 00:00:00 UTC | Unix Epoch Beginning |
| 1000000000 | 2001-09-09 01:46:40 UTC | 1 Billion Seconds Milestone |
| 2000000000 | 2033-05-18 03:33:20 UTC | 2 Billion Seconds Milestone |
| 2147483647 | 2038-01-19 03:14:07 UTC | Year 2038 Problem Limit (32-bit) |