"Sun, 08 Dec 2024 13:18:27"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241208
Only TIME
13:18:27
General datetime
2024-12-08 13:18:27Z
For Database
2024-12-08 13:18:27
For HTTP1.1
Sun, 08 Dec 2024 13:18:27 GMT