"Sun, 11 Aug 2024 15:12:09"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240811
Only TIME
15:12:09
General datetime
2024-08-11 15:12:09Z
For Database
2024-08-11 15:12:09
For HTTP1.1
Sun, 11 Aug 2024 15:12:09 GMT