I want to generate current timestamp in GMT and also find the difference between this current timestamp and the timestamp (GMT) I pick it up from database. Can somebody help me out on how can I generate the GMT timestamp and how am I going to find the difference between timestamps in minutes. Thanks.
The method System.currentTimeMillis() returns the number of milliseconds that have elapsed since January 1, 1970, 12:00 AM UTC.
Getting the difference in minutes between two timestamps is very simple: just subtract the two millisecond values. Divide by 60,000 to get the difference in minutes (one minute is 60 seconds, one second is 1,000 milliseconds).