Convert time from EDT to IRST. Enter any time to see the equivalent IRST time, compare current EDT and IRST times side by side, and find overlapping business hours for calls and meetings.
Use this EDT to IRST converter to compare US East Coast and Iran time, check the 7 hours and 30 minutes gap, and confirm the right slot for calls, handoffs, and deadlines. Good overlap starts around 9:00 AM EDT / 4:30 PM IRST.
Converting between Eastern Daylight Time and Iran Standard Time means accounting for a 7 hours and 30 minutes gap — here's how to do it in under 10 seconds with no sign-up.
Pick the date and time in Eastern Daylight Time (UTC -4) that you want to convert. Hit "Now" to load the current edt time instantly, or use "+1h" to step forward and compare.
The equivalent Iran Standard Time (UTC +3:30) time appears immediately. Since irst is 7 hours and 30 minutes ahead of edt, most daytime conversions stay on the same calendar day.
Click "Copy Time" to grab the irst result for your calendar or message. Use "+1d" to check how the conversion shifts across dates — useful when Daylight Saving Time changes the gap.
When someone in United States suggests 9:00 AM edt, that's 4:30 PM irst. This converter shows the overlap so both sides agree on one slot — no back-and-forth.
Late-night edt times can land on a different date in irst because of the 7 hours and 30 minutes offset. The converter labels "next day" or "previous day" next to the result so you never send a message a day early or miss a deadline.
The half-hour offset between edt (UTC -4) and irst (UTC +3:30) already makes mental math tricky — add Daylight Saving Time and the gap can shift further. This converter uses live UTC offsets, so you're always accurate.
Product launches, sports matches, and webinars are often announced in edt. Convert the event time to irst so you know exactly when to tune in — with a 7 hours and 30 minutes difference, a morning event in United States falls during work hours in Iran.
Quick-reference conversion table covering every hour of the day at a glance.
Eastern Daylight Time to Iran Standard Time full day schedule
| Eastern Daylight Time | Iran Standard Time |
|---|---|
| 12:00 AM |
7:30 AM
|
| 1:00 AM |
8:30 AM
|
| 2:00 AM |
9:30 AM
|
| 3:00 AM |
10:30 AM
|
| 4:00 AM |
11:30 AM
|
| 5:00 AM |
12:30 PM
|
| 6:00 AM |
1:30 PM
|
| 7:00 AM |
2:30 PM
|
| 8:00 AM |
3:30 PM
|
| 9:00 AM |
4:30 PM
|
| 10:00 AM |
5:30 PM
|
| 11:00 AM |
6:30 PM
|
| 12:00 PM |
7:30 PM
|
| 1:00 PM |
8:30 PM
|
| 2:00 PM |
9:30 PM
|
| 3:00 PM |
10:30 PM
|
| 4:00 PM |
11:30 PM
|
| 5:00 PM |
12:30 AM
(next day)
|
| 6:00 PM |
1:30 AM
(next day)
|
| 7:00 PM |
2:30 AM
(next day)
|
| 8:00 PM |
3:30 AM
(next day)
|
| 9:00 PM |
4:30 AM
(next day)
|
| 10:00 PM |
5:30 AM
(next day)
|
| 11:00 PM |
6:30 AM
(next day)
|
US East Coast summer offset (mid-March to early November), UTC-4. The narrower gap to Europe (only 4 h during northern-hemisphere summer) means early-morning EU meetings align with reasonable East Coast times.
Explore more edt conversions for major business and travel corridors. Each page includes a 24-hour chart, time difference summary, and meeting overlap guidance.
Find the time difference from any major zone into Iran Standard Time. Use these pages when scheduling with Iran from a different region.
