"Mon, 13 Jan 2025 05:39:16"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250113
Only TIME
05:39:16
General datetime
2025-01-13 05:39:16Z
For Database
2025-01-13 05:39:16
For HTTP1.1
Mon, 13 Jan 2025 05:39:16 GMT