"Mon, 03 Feb 2025 23:47:15"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250203
Only TIME
23:47:15
General datetime
2025-02-03 23:47:15Z
For Database
2025-02-03 23:47:15
For HTTP1.1
Mon, 03 Feb 2025 23:47:15 GMT