"Wed, 18 Dec 2024 17:40:10"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241218
Only TIME
17:40:10
General datetime
2024-12-18 17:40:10Z
For Database
2024-12-18 17:40:10
For HTTP1.1
Wed, 18 Dec 2024 17:40:10 GMT