"Sat, 24 Aug 2024 15:33:21"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240824
Only TIME
15:33:21
General datetime
2024-08-24 15:33:21Z
For Database
2024-08-24 15:33:21
For HTTP1.1
Sat, 24 Aug 2024 15:33:21 GMT