"Sun, 29 Sep 2024 18:15:51"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240929
Only TIME
18:15:51
General datetime
2024-09-29 18:15:51Z
For Database
2024-09-29 18:15:51
For HTTP1.1
Sun, 29 Sep 2024 18:15:51 GMT