"Sat, 24 May 2025 14:45:02"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250524
Only TIME
14:45:02
General datetime
2025-05-24 14:45:02Z
For Database
2025-05-24 14:45:02
For HTTP1.1
Sat, 24 May 2025 14:45:02 GMT