How can I get the current date and time in UTC or GMT in Java?

How can I get the current date and time in UTC or GMT in Java?

java date localization timezone gmt

java

How do I set the default locale in the JVM?

java localization globalization

java

Android: how to get the current day of the week (Monday, etc...) in the user's language?

java android date localization internationalization

java

en_US or en-US, which one should you use? [duplicate]

java localization locale

java

A good date converter for Jalali Calendar in Java? [closed]

java date localization calendar jalali-calendar

java

Optional parts in SimpleDateFormat

java datetime localization simpledateformat

java

How do I convert a String to Double in Java using a specific locale?

java localization

java