"Sun, 16 Jun 2024 23:43:05"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240616
Only TIME
23:43:05
General datetime
2024-06-16 23:43:05Z
For Database
2024-06-16 23:43:05
For HTTP1.1
Sun, 16 Jun 2024 23:43:05 GMT