"Wed, 18 Dec 2024 14:43:23"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241218
Only TIME
14:43:23
General datetime
2024-12-18 14:43:23Z
For Database
2024-12-18 14:43:23
For HTTP1.1
Wed, 18 Dec 2024 14:43:23 GMT