"Tue, 11 Jun 2024 12:36:21"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240611
Only TIME
12:36:21
General datetime
2024-06-11 12:36:21Z
For Database
2024-06-11 12:36:21
For HTTP1.1
Tue, 11 Jun 2024 12:36:21 GMT