"Sat, 29 Jun 2024 07:00:20"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240629
Only TIME
07:00:20
General datetime
2024-06-29 07:00:20Z
For Database
2024-06-29 07:00:20
For HTTP1.1
Sat, 29 Jun 2024 07:00:20 GMT