"Sun, 01 Dec 2024 08:48:53"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241201
Only TIME
08:48:53
General datetime
2024-12-01 08:48:53Z
For Database
2024-12-01 08:48:53
For HTTP1.1
Sun, 01 Dec 2024 08:48:53 GMT