"Sat, 01 Jun 2024 13:21:55"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240601
Only TIME
13:21:55
General datetime
2024-06-01 13:21:55Z
For Database
2024-06-01 13:21:55
For HTTP1.1
Sat, 01 Jun 2024 13:21:55 GMT