"Thu, 27 Jun 2024 19:30:00"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240627
Only TIME
19:30:00
General datetime
2024-06-27 19:30:00Z
For Database
2024-06-27 19:30:00
For HTTP1.1
Thu, 27 Jun 2024 19:30:00 GMT