"Sun, 09 Jun 2024 19:35:52"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240609
Only TIME
19:35:52
General datetime
2024-06-09 19:35:52Z
For Database
2024-06-09 19:35:52
For HTTP1.1
Sun, 09 Jun 2024 19:35:52 GMT