"Sat, 01 Jun 2024 12:35:37"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240601
Only TIME
12:35:37
General datetime
2024-06-01 12:35:37Z
For Database
2024-06-01 12:35:37
For HTTP1.1
Sat, 01 Jun 2024 12:35:37 GMT