"Sun, 29 Sep 2024 19:36:21"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240929
Only TIME
19:36:21
General datetime
2024-09-29 19:36:21Z
For Database
2024-09-29 19:36:21
For HTTP1.1
Sun, 29 Sep 2024 19:36:21 GMT