"Sun, 25 Aug 2024 21:11:03"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240825
Only TIME
21:11:03
General datetime
2024-08-25 21:11:03Z
For Database
2024-08-25 21:11:03
For HTTP1.1
Sun, 25 Aug 2024 21:11:03 GMT