![]() ![]() ![]() Each country determines its specific time change procedures. Twice a year, you'll need to factor in Daylight Saving Time (DST), in which many countries adjust their clocks. In this case, you'll need to convert Eastern Time (ET) for New York to Central European Time (CET) for Paris. For instance, you may be planning your email marketing and communication campaigns from your office in New York, while your target audiences are in Paris. 24-Hour Clock Time Conversion TableĪnother time-related aspect to stay on top of is time zones. Here's a handy table to help you easily convert AM and PM times to a 24-hour clock time format. As a refresher, the United States uses an AM and PM format, whereas the 24-hour clock, sometimes referred to as military time, is more commonly used in Europe. Naturally, there are differences to consider from one country and culture to another, and one of the most practical ones is the timing of your communications. Here are some helpful resources to avoid confusion and get your best results. You can also convert the time in any designated time zone to local time by using the static ( Shared in Visual Basic) TimeZoneInfo.Communicating with audiences around the globe presents both an exciting opportunity as well as some unique challenges and considerations. It takes a single parameter, which is the date and time value, to convert. The TimeZone.ToLocalTime method behaves identically to the DateTime.ToLocalTime method. The exact behavior of the method depends on the value of the object's Kind property, as the following table shows: DateTime.KindĪssumes that the DateTime value is UTC and converts the UTC to local time.Ĭonverts the DateTime value to local time. ![]() To convert UTC to local time, call the ToLocalTime method of the DateTime object whose time you want to convert. IIf(cstZone.IsDaylightSavingTime(cstTime), _ĬstZone.DaylightName, cstZone.StandardName))Ĭonsole.WriteLine("The registry does not define the Central Standard Time zone.")Ĭonsole.WriteLine("Registry data on the Central Standard Time zone has been corrupted.") The following code converts the current local time to UTC and displays the result to the console: DateTime dateNow = DateTime.Now Ĭonsole.WriteLine("The date and time are. Returns the dateTime parameter unchanged. The exact conversion performed by the method depends on the value of the dateTime parameter's Kind property, as the following table shows: DateTime.KindĪssumes the dateTime parameter is local time and converts local time to UTC. The easiest way to convert a time to UTC is to call the static ( Shared in Visual Basic) TimeZoneInfo.ConvertTimeToUtc(DateTime) method. Because DateTimeOffset objects store a date and time value along with its offset from UTC, they always represent a particular point in time in relation to UTC. You can also serialize a DateTimeOffset structure to represent a single point in time unambiguously. Converting individual time zones to UTC makes time comparisons easy. ![]() For details and other best practices using dates and times, see Coding best practices using DateTime in the. The use of UTC is recommended when a date and time's portability across computers is important. Thus, UTC provides a time-zone free or time-zone neutral time. The world's time zones are expressed as positive or negative offsets from UTC. Converting to Coordinated Universal TimeĬoordinated Universal Time (UTC) is a high-precision, atomic time standard. This article explains how to convert times from one time zone to another and convert DateTimeOffset values that have limited time zone awareness. For example, a web page that displays the current time in the eastern part of the United States will lack credibility to a customer in eastern Asia. An application can no longer assume that all times can be expressed in the local time, which is the time available from the DateTime structure. It's becoming increasingly important for any application that works with dates and times to handle differences between time zones. ![]()
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