"Wed, 18 Dec 2024 08:40:52"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241218
Only TIME
08:40:52
General datetime
2024-12-18 08:40:52Z
For Database
2024-12-18 08:40:52
For HTTP1.1
Wed, 18 Dec 2024 08:40:52 GMT