"Wed, 18 Dec 2024 09:15:39"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241218
Only TIME
09:15:39
General datetime
2024-12-18 09:15:39Z
For Database
2024-12-18 09:15:39
For HTTP1.1
Wed, 18 Dec 2024 09:15:39 GMT