Convert Central Time to Hawaii-Aleutian Time
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CST · UTC−6 → HAST · UTC−10
CST is 4 hours ahead of HAST
Chicago · CDT
Wednesday, 7 October 2026
Adak · HADT
Wednesday, 7 October 2026
When are both sides at work?Each column is one hour of the day in the first city; the second row shows the same moment in the other city. Gold means office hours (09:00–18:00), dusk means awake but off work, night means asleep (23:00–07:00). Columns where both rows are gold are good meeting times.
Shared working hours: 13:00–18:00 in Chicago is 09:00–14:00 in Adak.
Working (09–18) Awake, off the clock Asleep (23–07)
Pick a time and share it
06:27 Wed 7 Oct Chicago = 02:27 Wed 7 Oct Adak
Hour-by-hour conversion
| Chicago (CST)Every hour of today in the first city, with the matching time in the second. “Next day” means the calendar date is already tomorrow there. The highlighted row is right now. | Adak (HAST) | |
|---|---|---|
| 00:00 | 20:00prev. day | |
| 01:00 | 21:00prev. day | |
| 02:00 | 22:00prev. day | |
| 03:00 | 23:00prev. day | |
| 04:00 | 00:00 | |
| 05:00 | 01:00 | |
| 06:00 | 02:00 | Now |
| 07:00 | 03:00 | |
| 08:00 | 04:00 | |
| 09:00 | 05:00 | |
| 10:00 | 06:00 | |
| 11:00 | 07:00 | |
| 12:00 | 08:00 | |
| 13:00 | 09:00 | Both at work |
| 14:00 | 10:00 | Both at work |
| 15:00 | 11:00 | Both at work |
| 16:00 | 12:00 | Both at work |
| 17:00 | 13:00 | Both at work |
| 18:00 | 14:00 | |
| 19:00 | 15:00 | |
| 20:00 | 16:00 | |
| 21:00 | 17:00 | |
| 22:00 | 18:00 | |
| 23:00 | 19:00 |
About this conversion
CST here means Central Time, represented by Chicago (America/Chicago), currently UTC−5. HAST means Hawaii-Aleutian Time, represented by Adak (America/Adak), currently UTC−9.
CST is used by 15 zones, including United States. If you meant a different one, see every meaning of CST.
HAST is used by 2 zones, including United States. See every meaning of HAST.
Working hours are shown as 09:00–18:00 local, and sleeping hours as 23:00–07:00. The hour table is anchored on the current day in Chicago; day boundaries are marked where the date differs.
Quick answers
- 09:00 CST is 05:00 HAST
- 12:00 CST is 08:00 HAST
- 15:00 CST is 11:00 HAST
- 18:00 CST is 14:00 HAST
Related conversions
- Central Time to Hong Kong TimeCST → HKT
- Central Time to Indochina TimeCST → ICT
- Central Time to Korean TimeCST → KST
- Central Time to Pakistan TimeCST → PKT
- Cape Verde Time to Hawaii-Aleutian TimeCVT → HAST
- Davis Time to Hawaii-Aleutian TimeDAVT → HAST
- Fiji Time to Hawaii-Aleutian TimeFJT → HAST
- Hawaii-Aleutian Time to Line Islands TimeHAST → LINT
- Central Time to India TimeCST → IST
- Hawaii-Aleutian Time to India TimeHAST → IST
- Time in Chicagonow, DST, offset
- Time in Adaknow, DST, offset