EST to BST Time Converter
British Summer Time (BST) is currently 6 hours ahead of Eastern Standard Time (EST). EST is UTC-5 and BST is UTC+1. The table below converts every hour of the day between the two, and the call planner shows where working hours line up.
Best Time for a Call
Both sides are inside 9:00 AM to 5:00 PM office hours between 9:00 AM and 11:00 AM in EST, which is 3:00 PM to 5:00 PM in BST.
Comparing more than two places? The Overlap Zones tool shows working hours for several cities on one grid.
Hour by Hour: EST to BST
Rows marked office hours fall between 9:00 AM and 5:00 PM in both places. For a specific date, use the interactive converter.
Does the Difference Change During the Year?
EST and BST are fixed offsets, so the difference between them never changes.
EST is UTC-5, used across eastern North America in winter. The same region switches to EDT (UTC-4) from March to November.
BST is UTC+1, used in the UK from late March to late October. In winter the UK is on GMT. BST can also refer to Bangladesh Standard Time, which is UTC+6.
Frequently Asked Questions
How many hours ahead is BST compared to EST?
BST is currently 6 hours ahead of EST. EST and BST are fixed offsets, so the difference between them never changes.
What time is 9:00 AM in EST in BST?
9:00 AM in EST is 3:00 PM in BST.
What is the best time for a call between EST and BST?
Both sides are inside 9:00 AM to 5:00 PM office hours between 9:00 AM and 11:00 AM in EST, which is 3:00 PM to 5:00 PM in BST.