"Sat, 29 Jun 2024 18:36:25"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240629
Only TIME
18:36:25
General datetime
2024-06-29 18:36:25Z
For Database
2024-06-29 18:36:25
For HTTP1.1
Sat, 29 Jun 2024 18:36:25 GMT