"Sun, 29 Sep 2024 15:38:38"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240929
Only TIME
15:38:38
General datetime
2024-09-29 15:38:38Z
For Database
2024-09-29 15:38:38
For HTTP1.1
Sun, 29 Sep 2024 15:38:38 GMT