"Sun, 05 Jan 2025 21:36:11"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250105
Only TIME
21:36:11
General datetime
2025-01-05 21:36:11Z
For Database
2025-01-05 21:36:11
For HTTP1.1
Sun, 05 Jan 2025 21:36:11 GMT