"Wed, 18 Dec 2024 12:35:21"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241218
Only TIME
12:35:21
General datetime
2024-12-18 12:35:21Z
For Database
2024-12-18 12:35:21
For HTTP1.1
Wed, 18 Dec 2024 12:35:21 GMT