"Thu, 20 Jun 2024 23:20:59"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240620
Only TIME
23:20:59
General datetime
2024-06-20 23:20:59Z
For Database
2024-06-20 23:20:59
For HTTP1.1
Thu, 20 Jun 2024 23:20:59 GMT