"Mon, 20 Jan 2025 23:23:13"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250120
Only TIME
23:23:13
General datetime
2025-01-20 23:23:13Z
For Database
2025-01-20 23:23:13
For HTTP1.1
Mon, 20 Jan 2025 23:23:13 GMT