When it is 12:00 PM in GMT, it is 2:00 AM in HST.
📞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.
GMT is 10 hours ahead of HST.
🕐 Subtract 10 hours from GMT time to get HST time.
GMT uses the same time as Universal Time (UTC). and HST uses 10 hours behind Universal Time (UTC-1).
| GMT Time | HST Time | |
|---|---|---|
| 12 AM GMT Time | ↔ | 2 PM HST Time |
| 1 AM GMT Time | ↔ | 3 PM HST Time |
| 2 AM GMT Time | ↔ | 4 PM HST Time |
| 3 AM GMT Time | ↔ | 5 PM HST Time |
| 4 AM GMT Time | ↔ | 6 PM HST Time |
| 5 AM GMT Time | ↔ | 7 PM HST Time |
| 6 AM GMT Time | ↔ | 8 PM HST Time |
| 7 AM GMT Time | ↔ | 9 PM HST Time |
| 8 AM GMT Time | ↔ | 10 PM HST Time |
| 9 AM GMT Time | ↔ | 11 PM HST Time |
| 10 AM GMT Time | ↔ | 12 AM HST Time |
| 11 AM GMT Time | ↔ | 1 AM HST Time |
| GMT Time | HST Time | |
|---|---|---|
| 12 PM GMT Time | ↔ | 2 AM HST Time |
| 1 PM GMT Time | ↔ | 3 AM HST Time |
| 2 PM GMT Time | ↔ | 4 AM HST Time |
| 3 PM GMT Time | ↔ | 5 AM HST Time |
| 4 PM GMT Time | ↔ | 6 AM HST Time |
| 5 PM GMT Time | ↔ | 7 AM HST Time |
| 6 PM GMT Time | ↔ | 8 AM HST Time |
| 7 PM GMT Time | ↔ | 9 AM HST Time |
| 8 PM GMT Time | ↔ | 10 AM HST Time |
| 9 PM GMT Time | ↔ | 11 AM HST Time |
| 10 PM GMT Time | ↔ | 12 PM HST Time |
| 11 PM GMT Time | ↔ | 1 PM HST Time |
GMT is 10 hours ahead of HST.
GMT is ahead of HST by 10 hours.
It is 11:00 PM the previous day in HST.