"Fri, 13 Sep 2024 18:40:11"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240913
Only TIME
18:40:11
General datetime
2024-09-13 18:40:11Z
For Database
2024-09-13 18:40:11
For HTTP1.1
Fri, 13 Sep 2024 18:40:11 GMT