"Sun, 08 Dec 2024 18:18:50"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241208
Only TIME
18:18:50
General datetime
2024-12-08 18:18:50Z
For Database
2024-12-08 18:18:50
For HTTP1.1
Sun, 08 Dec 2024 18:18:50 GMT