"Wed, 18 Dec 2024 08:21:40"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241218
Only TIME
08:21:40
General datetime
2024-12-18 08:21:40Z
For Database
2024-12-18 08:21:40
For HTTP1.1
Wed, 18 Dec 2024 08:21:40 GMT