"Sat, 15 Jun 2024 16:08:26"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240615
Only TIME
16:08:26
General datetime
2024-06-15 16:08:26Z
For Database
2024-06-15 16:08:26
For HTTP1.1
Sat, 15 Jun 2024 16:08:26 GMT