"Mon, 03 Feb 2025 04:30:20"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250203
Only TIME
04:30:20
General datetime
2025-02-03 04:30:20Z
For Database
2025-02-03 04:30:20
For HTTP1.1
Mon, 03 Feb 2025 04:30:20 GMT