This time zone converter lets you visually and very quickly convert GMT to EST and vice-versa. Simply mouse over the colored hour-tiles and glance at the hours selected by the column... and done!
GMT stands for Greenwich Mean Time. EST is known as Eastern Standard Time. EST is 5 hours behind GMT. So, when it is it will be
WARNING: EST not in effect at this time. It's EDT instead. This is automatically reflected in the converter above by graying out inactive time zone of the pair. Also, GMT moved to BST and IST for some locations due to Daylight Saving Time. Consider using city names to avoid potential confusion.