"Sat, 29 Jun 2024 22:39:57"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240629
Only TIME
22:39:57
General datetime
2024-06-29 22:39:57Z
For Database
2024-06-29 22:39:57
For HTTP1.1
Sat, 29 Jun 2024 22:39:57 GMT