"Mon, 03 Feb 2025 18:29:21"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250203
Only TIME
18:29:21
General datetime
2025-02-03 18:29:21Z
For Database
2025-02-03 18:29:21
For HTTP1.1
Mon, 03 Feb 2025 18:29:21 GMT