"Sun, 08 Dec 2024 12:21:15"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241208
Only TIME
12:21:15
General datetime
2024-12-08 12:21:15Z
For Database
2024-12-08 12:21:15
For HTTP1.1
Sun, 08 Dec 2024 12:21:15 GMT