"Sun, 12 Jan 2025 09:21:39"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250112
Only TIME
09:21:39
General datetime
2025-01-12 09:21:39Z
For Database
2025-01-12 09:21:39
For HTTP1.1
Sun, 12 Jan 2025 09:21:39 GMT