"Sun, 08 Dec 2024 10:21:09"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241208
Only TIME
10:21:09
General datetime
2024-12-08 10:21:09Z
For Database
2024-12-08 10:21:09
For HTTP1.1
Sun, 08 Dec 2024 10:21:09 GMT