"Sat, 17 Aug 2024 04:49:21"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240817
Only TIME
04:49:21
General datetime
2024-08-17 04:49:21Z
For Database
2024-08-17 04:49:21
For HTTP1.1
Sat, 17 Aug 2024 04:49:21 GMT