"Wed, 18 Dec 2024 21:55:05"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241218
Only TIME
21:55:05
General datetime
2024-12-18 21:55:05Z
For Database
2024-12-18 21:55:05
For HTTP1.1
Wed, 18 Dec 2024 21:55:05 GMT