"Wed, 18 Dec 2024 06:48:00"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241218
Only TIME
06:48:00
General datetime
2024-12-18 06:48:00Z
For Database
2024-12-18 06:48:00
For HTTP1.1
Wed, 18 Dec 2024 06:48:00 GMT