"Sun, 08 Dec 2024 09:15:44"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241208
Only TIME
09:15:44
General datetime
2024-12-08 09:15:44Z
For Database
2024-12-08 09:15:44
For HTTP1.1
Sun, 08 Dec 2024 09:15:44 GMT