"Mon, 20 Jan 2025 05:23:02"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250120
Only TIME
05:23:02
General datetime
2025-01-20 05:23:02Z
For Database
2025-01-20 05:23:02
For HTTP1.1
Mon, 20 Jan 2025 05:23:02 GMT