"Sat, 01 Jun 2024 10:59:21"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240601
Only TIME
10:59:21
General datetime
2024-06-01 10:59:21Z
For Database
2024-06-01 10:59:21
For HTTP1.1
Sat, 01 Jun 2024 10:59:21 GMT