"Mon, 27 Jan 2025 03:20:01"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250127
Only TIME
03:20:01
General datetime
2025-01-27 03:20:01Z
For Database
2025-01-27 03:20:01
For HTTP1.1
Mon, 27 Jan 2025 03:20:01 GMT