"Sat, 06 Jul 2024 08:37:21"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240706
Only TIME
08:37:21
General datetime
2024-07-06 08:37:21Z
For Database
2024-07-06 08:37:21
For HTTP1.1
Sat, 06 Jul 2024 08:37:21 GMT