"Sun, 13 Oct 2024 15:21:14"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241013
Only TIME
15:21:14
General datetime
2024-10-13 15:21:14Z
For Database
2024-10-13 15:21:14
For HTTP1.1
Sun, 13 Oct 2024 15:21:14 GMT