"Sun, 01 Dec 2024 20:09:16"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241201
Only TIME
20:09:16
General datetime
2024-12-01 20:09:16Z
For Database
2024-12-01 20:09:16
For HTTP1.1
Sun, 01 Dec 2024 20:09:16 GMT