private Instant GetNextByDayOfWeek(IsoDayOfWeek dayOfWeek, Instant now, string userTimeZone)
{
var zone = GetZone(userTimeZone);
var date = new ZonedDateTime(now, zone).Date;
if (date.DayOfWeek != dayOfWeek)
{
date = date.Next(dayOfWeek);
}
var dateTime = zone.AtStrictly(date + Time);
return(dateTime.ToInstant());
}