"Tue, 27 Aug 2024 15:30:21"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240827
Only TIME
15:30:21
General datetime
2024-08-27 15:30:21Z
For Database
2024-08-27 15:30:21
For HTTP1.1
Tue, 27 Aug 2024 15:30:21 GMT