"Wed, 18 Dec 2024 19:02:36"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241218
Only TIME
19:02:36
General datetime
2024-12-18 19:02:36Z
For Database
2024-12-18 19:02:36
For HTTP1.1
Wed, 18 Dec 2024 19:02:36 GMT