Cause:
when saving "start" is saved as CultureInfo.InvariantCulture
when parsing "start" using DateTime.Parse which using System.Threading.Thread.CurrentThread.CurrentCulture to parse data
current System.Threading.Thread.CurrentThread.CurrentCulture when exception is "pt-BR".
Detail:
Cause: when saving "start" is saved as CultureInfo.InvariantCulture when parsing "start" using DateTime.Parse which using System.Threading.Thread.CurrentThread.CurrentCulture to parse data current System.Threading.Thread.CurrentThread.CurrentCulture when exception is "pt-BR".