"Wed, 18 Dec 2024 15:22:44"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241218
Only TIME
15:22:44
General datetime
2024-12-18 15:22:44Z
For Database
2024-12-18 15:22:44
For HTTP1.1
Wed, 18 Dec 2024 15:22:44 GMT