"Sun, 08 Dec 2024 15:15:02"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241208
Only TIME
15:15:02
General datetime
2024-12-08 15:15:02Z
For Database
2024-12-08 15:15:02
For HTTP1.1
Sun, 08 Dec 2024 15:15:02 GMT