"Sun, 01 Dec 2024 08:21:09"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241201
Only TIME
08:21:09
General datetime
2024-12-01 08:21:09Z
For Database
2024-12-01 08:21:09
For HTTP1.1
Sun, 01 Dec 2024 08:21:09 GMT