"Mon, 13 Jan 2025 14:42:44"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250113
Only TIME
14:42:44
General datetime
2025-01-13 14:42:44Z
For Database
2025-01-13 14:42:44
For HTTP1.1
Mon, 13 Jan 2025 14:42:44 GMT