"Sun, 16 Jun 2024 12:36:09"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240616
Only TIME
12:36:09
General datetime
2024-06-16 12:36:09Z
For Database
2024-06-16 12:36:09
For HTTP1.1
Sun, 16 Jun 2024 12:36:09 GMT