"Wed, 18 Dec 2024 02:38:57"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241218
Only TIME
02:38:57
General datetime
2024-12-18 02:38:57Z
For Database
2024-12-18 02:38:57
For HTTP1.1
Wed, 18 Dec 2024 02:38:57 GMT