"Sun, 16 Jun 2024 17:57:55"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240616
Only TIME
17:57:55
General datetime
2024-06-16 17:57:55Z
For Database
2024-06-16 17:57:55
For HTTP1.1
Sun, 16 Jun 2024 17:57:55 GMT