WIB to MST Converter
See the current time in WIB (Jakarta) and MST (Denver) side by side, the exact time difference right now, and convert any time between the two zones.
WIB to MST Converter
Uses your browser's built-in, DST-aware time-zone data.
About converting WIB to MST
Western Indonesia Time (Jakarta) and Mountain Time (Denver) are in different time zones, so a meeting, call or stream that's convenient in one may be early or late in the other. The clocks above update live and account for daylight saving automatically, so the time difference you see is the real one for today — not a fixed number that goes stale twice a year.
To plan across the two, type a time into the WIB box (or tap a quick preset) and read the MST equivalent, including a "next day" or "previous day" note when the conversion crosses midnight. For any other pair of zones or cities, use the full timezone converter.
WIB vs MST: the time difference through the year
The gap between WIB and MST changes during the year because only one of them uses daylight saving.
| Period | Difference |
|---|---|
| Oct 23, 2026 – Oct 31, 2026 | MST 13 h behind WIB |
| Nov 1, 2026 – Mar 13, 2027 | MST 14 h behind WIB |
| Mar 14, 2027 – Oct 23, 2027 | MST 13 h behind WIB |
Daylight-saving changes in the next year
| Zone | Date | Offset | Change |
|---|---|---|---|
| MST | Nov 1, 2026 | UTC−6 → UTC−7 | Clocks go back 1 hour |
| MST | Mar 14, 2027 | UTC−7 → UTC−6 | Clocks go forward 1 hour |
| MST | Nov 7, 2027 | UTC−6 → UTC−7 | Clocks go back 1 hour |
WIB to MST conversion table
| WIB | MST (when 13 h behind) | MST (when 14 h behind) |
|---|---|---|
| 12:00 AM | 11:00 AM (previous day) | 10:00 AM (previous day) |
| 1:00 AM | 12:00 PM (previous day) | 11:00 AM (previous day) |
| 2:00 AM | 1:00 PM (previous day) | 12:00 PM (previous day) |
| 3:00 AM | 2:00 PM (previous day) | 1:00 PM (previous day) |
| 4:00 AM | 3:00 PM (previous day) | 2:00 PM (previous day) |
| 5:00 AM | 4:00 PM (previous day) | 3:00 PM (previous day) |
| 6:00 AM | 5:00 PM (previous day) | 4:00 PM (previous day) |
| 7:00 AM | 6:00 PM (previous day) | 5:00 PM (previous day) |
| 8:00 AM | 7:00 PM (previous day) | 6:00 PM (previous day) |
| 9:00 AM | 8:00 PM (previous day) | 7:00 PM (previous day) |
| 10:00 AM | 9:00 PM (previous day) | 8:00 PM (previous day) |
| 11:00 AM | 10:00 PM (previous day) | 9:00 PM (previous day) |
| 12:00 PM | 11:00 PM (previous day) | 10:00 PM (previous day) |
| 1:00 PM | 12:00 AM | 11:00 PM (previous day) |
| 2:00 PM | 1:00 AM | 12:00 AM |
| 3:00 PM | 2:00 AM | 1:00 AM |
| 4:00 PM | 3:00 AM | 2:00 AM |
| 5:00 PM | 4:00 AM | 3:00 AM |
| 6:00 PM | 5:00 AM | 4:00 AM |
| 7:00 PM | 6:00 AM | 5:00 AM |
| 8:00 PM | 7:00 AM | 6:00 AM |
| 9:00 PM | 8:00 AM | 7:00 AM |
| 10:00 PM | 9:00 AM | 8:00 AM |
| 11:00 PM | 10:00 AM | 9:00 AM |
Best time to meet
- 9 AM–5 PM overlap when MST is 13 h behindnone — closest fit 8:00 AM–9:00 AM WIB = 7:00 PM–8:00 PM MST (8 AM–8 PM in both)
- 9 AM–5 PM overlap when MST is 14 h behindnone — closest fit 8:00 AM–10:00 AM WIB = 6:00 PM–8:00 PM MST (8 AM–8 PM in both)
The two zones
Western Indonesia Time (WIB, Waktu Indonesia Barat) is UTC+7 all year, the same as Thailand and Vietnam. It covers Jakarta, Bandung, Surabaya, Medan and Palembang: Java, Sumatra and West and Central Kalimantan. Indonesia has three zones: WIB (UTC+7), WITA (UTC+8, Bali, Makassar, Balikpapan, the same as SGT) and WIT (UTC+9, Jayapura, Ambon, the same as JST). There is no daylight saving.
Mountain Time is UTC−7 in winter (MST) and UTC−6 in summer (MDT) for Denver, Salt Lake City and Calgary. Most of Arizona stays on MST (UTC−7) all year.