"Wed, 18 Dec 2024 03:45:21"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241218
Only TIME
03:45:21
General datetime
2024-12-18 03:45:21Z
For Database
2024-12-18 03:45:21
For HTTP1.1
Wed, 18 Dec 2024 03:45:21 GMT