"Sun, 08 Dec 2024 15:18:37"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241208
Only TIME
15:18:37
General datetime
2024-12-08 15:18:37Z
For Database
2024-12-08 15:18:37
For HTTP1.1
Sun, 08 Dec 2024 15:18:37 GMT