"Sun, 15 Sep 2024 09:26:09"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240915
Only TIME
09:26:09
General datetime
2024-09-15 09:26:09Z
For Database
2024-09-15 09:26:09
For HTTP1.1
Sun, 15 Sep 2024 09:26:09 GMT