BST to EST Time Converter
Eastern Standard Time (EST) is currently 6 hours behind British Summer Time (BST). BST is UTC+1 and EST is UTC-5. 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 3:00 PM and 5:00 PM in BST, which is 9:00 AM to 11:00 AM in EST.
Comparing more than two places? The Overlap Zones tool shows working hours for several cities on one grid.
Hour by Hour: BST to EST
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?
BST and EST are fixed offsets, so the difference between them never changes.
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.
EST is UTC-5, used across eastern North America in winter. The same region switches to EDT (UTC-4) from March to November.
Frequently Asked Questions
How many hours behind is EST compared to BST?
EST is currently 6 hours behind BST. BST and EST are fixed offsets, so the difference between them never changes.
What time is 9:00 AM in BST in EST?
9:00 AM in BST is 3:00 AM in EST.
What is the best time for a call between BST and EST?
Both sides are inside 9:00 AM to 5:00 PM office hours between 3:00 PM and 5:00 PM in BST, which is 9:00 AM to 11:00 AM in EST.