"Sat, 11 Jan 2025 04:18:19"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250111
Only TIME
04:18:19
General datetime
2025-01-11 04:18:19Z
For Database
2025-01-11 04:18:19
For HTTP1.1
Sat, 11 Jan 2025 04:18:19 GMT