"Wed, 18 Dec 2024 00:40:48"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241218
Only TIME
00:40:48
General datetime
2024-12-18 00:40:48Z
For Database
2024-12-18 00:40:48
For HTTP1.1
Wed, 18 Dec 2024 00:40:48 GMT