"Sat, 29 Jun 2024 05:15:06"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240629
Only TIME
05:15:06
General datetime
2024-06-29 05:15:06Z
For Database
2024-06-29 05:15:06
For HTTP1.1
Sat, 29 Jun 2024 05:15:06 GMT