"Sun, 25 Aug 2024 21:36:36"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240825
Only TIME
21:36:36
General datetime
2024-08-25 21:36:36Z
For Database
2024-08-25 21:36:36
For HTTP1.1
Sun, 25 Aug 2024 21:36:36 GMT