I have been provided a time in this format "ddMMyyHHmmss". I know the time is in UTC format. I would like to use the NodaTime library to convert this to my local timezone but I can't seem to figure it out. My local timezone target is to be New Zealand.
Here's what I have tried:
var pattern = LocalDateTimePattern.CreateWithInvariantCulture("ddMMyyHHmmss"); var parseResult = pattern.Parse(utcDateTime); if (!parseResult.Success) { throw new InvalidDataException("Invalid time specified " + date + time); } var timeZone = DateTimeZoneProviders.Bcl["New Zealand Standard Time"]; var zone = new ZonedDateTime( localDateTime, timeZone, timeZone.GetUtcOffset(SystemClock.Instance.Now)); return new DateTime(zone.ToInstant().Ticks);
// Since your input value is in UTC, parse it directly as an Instant. var pattern = InstantPattern.CreateWithInvariantCulture("ddMMyyHHmmss"); var parseResult = pattern.Parse("150713192900"); if (!parseResult.Success) throw new InvalidDataException("...whatever..."); var instant = parseResult.Value; Debug.WriteLine(instant); // 2013-07-15T19:29:00Z // You will always be better off with the tzdb, but either of these will work. var timeZone = DateTimeZoneProviders.Tzdb["Pacific/Auckland"]; //var timeZone = DateTimeZoneProviders.Bcl["New Zealand Standard Time"]; // Convert the instant to the zone's local time var zonedDateTime = instant.InZone(timeZone); Debug.WriteLine(zonedDateTime); // Local: 7/16/2013 7:29:00 AM Offset: +12 Zone: Pacific/Auckland // and if you must have a DateTime, get it like this var bclDateTime = zonedDateTime.ToDateTimeUnspecified(); Debug.WriteLine(bclDateTime.ToString("o")); // 2013-07-16T07:29:00.0000000
