"Sun, 30 Jun 2024 23:45:55"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240630
Only TIME
23:45:55
General datetime
2024-06-30 23:45:55Z
For Database
2024-06-30 23:45:55
For HTTP1.1
Sun, 30 Jun 2024 23:45:55 GMT