"Sat, 31 Aug 2024 00:15:21"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240831
Only TIME
00:15:21
General datetime
2024-08-31 00:15:21Z
For Database
2024-08-31 00:15:21
For HTTP1.1
Sat, 31 Aug 2024 00:15:21 GMT