"Wed, 18 Dec 2024 16:39:14"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241218
Only TIME
16:39:14
General datetime
2024-12-18 16:39:14Z
For Database
2024-12-18 16:39:14
For HTTP1.1
Wed, 18 Dec 2024 16:39:14 GMT