"Mon, 06 Jan 2025 09:21:20"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250106
Only TIME
09:21:20
General datetime
2025-01-06 09:21:20Z
For Database
2025-01-06 09:21:20
For HTTP1.1
Mon, 06 Jan 2025 09:21:20 GMT