"Sun, 08 Dec 2024 13:38:16"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241208
Only TIME
13:38:16
General datetime
2024-12-08 13:38:16Z
For Database
2024-12-08 13:38:16
For HTTP1.1
Sun, 08 Dec 2024 13:38:16 GMT