Johannesburg, South Africa to Boulder, CO, USA
Compare Johannesburg time with Boulder time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.
Time Difference
SAST (South Africa Standard Time) is 9 hours ahead of MST (Mountain Standard Time)
2:00 pm14:00 in Johannesburg, South Africa is 5:00 am05:00 in Boulder, CO, USA
Johannesburg to Boulder call time
Best time for a conference call or a meeting is between 5pm-6pm in Johannesburg which corresponds to 8am-9am in Boulder
2:00 pm14:00 SAST (South Africa Standard Time) (Johannesburg, South Africa). Offset UTC +2:00 hours
5:00 am05:00 MST (Mountain Standard Time) (Boulder, CO, USA). Offset UTC -7:00 hours
2:00 pm14:00 Johannesburg, South Africa / 5:00 am05:00 Boulder, CO, USA
| Johannesburg, South Africa | Boulder, CO, USA |
|---|---|
| 12am (midnight) | 3pm |
| 1am | 4pm |
| 2am | 5pm |
| 3am | 6pm |
| 4am | 7pm |
| 5am | 8pm |
| 6am | 9pm |
| 7am | 10pm |
| 8am | 11pm |
| 9am | 12am (midnight) |
| 10am | 1am |
| 11am | 2am |
| 12pm (noon) | 3am |
| 1pm | 4am |
| 2pm | 5am |
| 3pm | 6am |
| 4pm | 7am |
| 5pm | 8am |
| 6pm | 9am |
| 7pm | 10am |
| 8pm | 11am |
| 9pm | 12pm (noon) |
| 10pm | 1pm |
| 11pm | 2pm |
| 00:00 | 15:00 |
| 01:00 | 16:00 |
| 02:00 | 17:00 |
| 03:00 | 18:00 |
| 04:00 | 19:00 |
| 05:00 | 20:00 |
| 06:00 | 21:00 |
| 07:00 | 22:00 |
| 08:00 | 23:00 |
| 09:00 | 00:00 |
| 10:00 | 01:00 |
| 11:00 | 02:00 |
| 12:00 | 03:00 |
| 13:00 | 04:00 |
| 14:00 | 05:00 |
| 15:00 | 06:00 |
| 16:00 | 07:00 |
| 17:00 | 08:00 |
| 18:00 | 09:00 |
| 19:00 | 10:00 |
| 20:00 | 11:00 |
| 21:00 | 12:00 |
| 22:00 | 13:00 |
| 23:00 | 14:00 |
Johannesburg Information
Time Zone
Abbreviation / Name
SAST - South Africa Standard Time
UTC / GMT Offset
+2:00 hours during South Africa Standard Time, currently in use.
Johannesburg Facts
Country
South Africa
Alternative Names
EGoli, Giochanesmpournk, IGoli, IJohannesburg, Ioannesburgum, JNB, Jo'anna, Joanesburgo, Joburg, Jog'annesburg, Joganesburg, Jogannesburg, Johanesburgas, Johanesburgo, Johannesarborg, Johannesbourg, Johannesburg, Johannesburga, Johannesburgo, Johannesburgu, Jokhanesburg, Jokhanezburg, Jokhannesburg, J·ohanesbôrg, Jóhannesarborg, Xohanesburgo, Yohannesburg, Yohannesburq, Yohannésburg, Yok-hon-ni-su-pau, Yok-hon-nì-sṳ̂-páu, Yoxannesburg, cohannes beirk, iohanesburgi, johanisabaraga, johannesbarga, johansabarga, jokanasperk, jwhansbrgh, yohaneseubeogeu, yohanesuburugu, yue han nei si bao, yue han ni si bao, ywhnsbwrg, zhwhansbwrg, Γιοχάνεσμπουργκ, Ёганесбург, Јоханезбург, Јоханесбург, Йоганнесбург, Йогьаннесбург, Йоханесбург, Йоханнесбург, Յոհաննեսբուրգ, יאהאנעסבורג, יוהנסבורג, جوهانسبرغ, جوہانسبرگ, جۆھانسبێرگ, ژوهانسبورگ, یوہانس برگ, जोहन्नेस्बर्ग, जोहान्सबर्ग, ਜੋਹਾਨਿਸਬਰਗ, ஜோகானஸ்பேர்க், ജൊഹാനസ്ബർഗ്, โจฮันเนสเบิร์ก, ဂျိုဟန္နက်စဗတ်မြို့, იოჰანესბურგი, ጆሃንስበርግ, ヨハネスブルグ, 約翰尼斯堡, 约翰内斯堡, 요하네스버그
Population
2,026,469
Currency
Rand (ZAR)
Geographic Coordinates
26° 12' S Latitude / 28° 02' E Longitude
International Dialing Code
+27
Boulder Information
Time Zone
Abbreviation / Name
MDT - Mountain Daylight Time
MST - Mountain Standard Time
MST - Mountain Standard Time
UTC / GMT Offset
-6:00 hours during Mountain Daylight Time, currently in use.
-7:00 hours during Mountain Standard Time.
-7:00 hours during Mountain Standard Time.
Daylight Saving Time Change
+1:00 hour - DST is in use
Daylight Saving Time Starts
Sunday, March 8, 2026 at 2:00 am local time. DST starts annually on the 2nd Sunday of March. Clocks are turned forward 1 hour to Sunday, March 8, 2026 at 3:00 am local daylight time instead. Also called Spring Forward or Summer Time.Daylight Saving Time Ends
Sunday, November 1, 2026 at 2:00 am local time. DST ends annually on the 1st Sunday of November. Clocks are turned backward 1 hour to Sunday, November 1, 2026 at 1:00 am local standard time instead. Also called Fall Back or switch to Winter Time.Boulder Facts
Country
USA
State
Colorado
Alternative Names
Bolder, Boulder, Bouldur, WBU, ba'uldara, bo de, boldara, bolde xr, boldeo, boruda, bwldr, bwldr klradw, Болдер, Боулдер, Боулдър, בולדר, بولدر, بولدر، کلرادو, بولڈر، کولوراڈو, बाउल्डर, बोल्डर, โบลเดอร์, ボルダー, 波德, 볼더
Population
107,349
Currency
Dollar (USD)
Geographic Coordinates
40° 00' N Latitude / 105° 16' W Longitude
International Dialing Code
+1