When it is 12:00 PM in Great Falls, it is 9:00 PM in IDT.
📞There is no overlap during standard 9-to-5 business hours, so a call may need to be early or late in the day for one side.
Great Falls is 9 hours behind IDT.
🕐 Add 9 hours to Great Falls time to get IDT time.
Great Falls uses 6 hours behind Universal Time (UTC-6) and IDT uses 3 hours ahead of Universal Time (UTC+3).
| Great Falls Time | IDT Time | |
|---|---|---|
| 12 AM Great Falls Time | ↔ | 9 AM IDT Time |
| 1 AM Great Falls Time | ↔ | 10 AM IDT Time |
| 2 AM Great Falls Time | ↔ | 11 AM IDT Time |
| 3 AM Great Falls Time | ↔ | 12 PM IDT Time |
| 4 AM Great Falls Time | ↔ | 1 PM IDT Time |
| 5 AM Great Falls Time | ↔ | 2 PM IDT Time |
| 6 AM Great Falls Time | ↔ | 3 PM IDT Time |
| 7 AM Great Falls Time | ↔ | 4 PM IDT Time |
| 8 AM Great Falls Time | ↔ | 5 PM IDT Time |
| 9 AM Great Falls Time | ↔ | 6 PM IDT Time |
| 10 AM Great Falls Time | ↔ | 7 PM IDT Time |
| 11 AM Great Falls Time | ↔ | 8 PM IDT Time |
| Great Falls Time | IDT Time | |
|---|---|---|
| 12 PM Great Falls Time | ↔ | 9 PM IDT Time |
| 1 PM Great Falls Time | ↔ | 10 PM IDT Time |
| 2 PM Great Falls Time | ↔ | 11 PM IDT Time |
| 3 PM Great Falls Time | ↔ | 12 AM IDT Time |
| 4 PM Great Falls Time | ↔ | 1 AM IDT Time |
| 5 PM Great Falls Time | ↔ | 2 AM IDT Time |
| 6 PM Great Falls Time | ↔ | 3 AM IDT Time |
| 7 PM Great Falls Time | ↔ | 4 AM IDT Time |
| 8 PM Great Falls Time | ↔ | 5 AM IDT Time |
| 9 PM Great Falls Time | ↔ | 6 AM IDT Time |
| 10 PM Great Falls Time | ↔ | 7 AM IDT Time |
| 11 PM Great Falls Time | ↔ | 8 AM IDT Time |
Great Falls is 9 hours behind IDT.
Great Falls is behind IDT by 9 hours.
It is 6:00 PM in IDT.