"Sat, 01 Jun 2024 21:04:00"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240601
Only TIME
21:04:00
General datetime
2024-06-01 21:04:00Z
For Database
2024-06-01 21:04:00
For HTTP1.1
Sat, 01 Jun 2024 21:04:00 GMT