"Sat, 17 Aug 2024 00:15:15"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240817
Only TIME
00:15:15
General datetime
2024-08-17 00:15:15Z
For Database
2024-08-17 00:15:15
For HTTP1.1
Sat, 17 Aug 2024 00:15:15 GMT