"Wed, 18 Dec 2024 09:35:14"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241218
Only TIME
09:35:14
General datetime
2024-12-18 09:35:14Z
For Database
2024-12-18 09:35:14
For HTTP1.1
Wed, 18 Dec 2024 09:35:14 GMT