"Mon, 20 Jan 2025 04:51:13"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250120
Only TIME
04:51:13
General datetime
2025-01-20 04:51:13Z
For Database
2025-01-20 04:51:13
For HTTP1.1
Mon, 20 Jan 2025 04:51:13 GMT