"Wed, 18 Dec 2024 11:44:11"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241218
Only TIME
11:44:11
General datetime
2024-12-18 11:44:11Z
For Database
2024-12-18 11:44:11
For HTTP1.1
Wed, 18 Dec 2024 11:44:11 GMT