"Mon, 27 Jan 2025 20:38:13"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250127
Only TIME
20:38:13
General datetime
2025-01-27 20:38:13Z
For Database
2025-01-27 20:38:13
For HTTP1.1
Mon, 27 Jan 2025 20:38:13 GMT