"Thu, 19 Dec 2024 14:55:12"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241219
Only TIME
14:55:12
General datetime
2024-12-19 14:55:12Z
For Database
2024-12-19 14:55:12
For HTTP1.1
Thu, 19 Dec 2024 14:55:12 GMT