"Sun, 30 Jun 2024 20:20:55"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240630
Only TIME
20:20:55
General datetime
2024-06-30 20:20:55Z
For Database
2024-06-30 20:20:55
For HTTP1.1
Sun, 30 Jun 2024 20:20:55 GMT