"Mon, 20 Jan 2025 14:43:38"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250120
Only TIME
14:43:38
General datetime
2025-01-20 14:43:38Z
For Database
2025-01-20 14:43:38
For HTTP1.1
Mon, 20 Jan 2025 14:43:38 GMT