What is GMT-11 used for?

GMT+11 is a time offset that adds 11 hours to Greenwich Mean Time (GMT). It is observed in the BST, KOST, MAGT, MIST, NCT, NFT, PONT, SAKT, SBT, SRET, VUT during standard time, and in the AEDT, LHDT during the other months (Daylight saving time). Some locations use it year-round.

What is the time difference between GMT-11 and EST?

GMT is the time same as Universal Time. EST is 5 hours behind Universal Time.

What is GMT+11 time zone?

Nowadays, Greenwich Mean Time, abbreviated as GMT, is a time zone designation rather than a time standard. Time difference between time zones can be expressed by the GMT or UTC hour difference. In the UTC standard, there is a commitment to keep within 0.9 seconds of GMT, so that every few years a leap second is applied to UTC.