"Mon, 20 Jan 2025 14:43:41"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250120
Only TIME
14:43:41
General datetime
2025-01-20 14:43:41Z
For Database
2025-01-20 14:43:41
For HTTP1.1
Mon, 20 Jan 2025 14:43:41 GMT