If you look at the documentation page, the package is based on the ISO calendar system and offers a simplified API for displaying and handling date and time instances. In general, this isn't ideal as it displays the current time based on the time zone of the specified region, which may be different than GMT therefore, you should ideally avoid it.Ī better and more modern option bundled within the core Java library (and not using any third-party offerings) is to use the java. However, if you run this code, you'll see the following output: Current Date in milliseconds is :1583954404789 tDefault(TimeZone.getTimeZone("Europe/London")) Display the instant in three different time zones Other than that, you can also change the current system, TimeZone, and if you wanted to use a different time zone, you could do it as follows: package com.thdespou ("Current Date in milliseconds is :" + now.getTime()) Therefore, if you want to get swiftly the current time in milliseconds only, you can use the following code: package com.thdespou It doesn't represent a date but an instance in time in milliseconds since the Unix epoch (1970).If you are using the package to get the current date and time in Java (as it looks more intuitive), you'll soon find out it's very limited. It is more stable as it takes time from an atomic clock. It is a standard that we can use to display time zones. It uses either a 24-hour format or a 12-hour format for display, and it's based on astronomical observations. GMT is a time zone used in some but not all parts of the world (mainly Europe and Africa).To be able to get the current date and time in UTC or GMT in Java, for example, there are a few concepts we need to make ourselves familiar with upfront.įirst things first, GMT (Greenwich Mean Time) is not the same as UTC (Coordinated Universal Time): One of the key questions that many developers have while working on software for international markets is how best to deal with time and time zones.
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