Hawaii Standard Time
HST means UTC−10:00 throughout the year.
TIME ZONE CONVERTER
HST to CST
Time Converter
Convert Hawaii Standard Time to Central Standard Time. Compare dates, seasonal differences and meeting hours.
HST is 4h behind CST in 2026.
9 AM HST = 1 PM CST
Selected date: November 3, 2026. Fixed abbreviations retain their stated UTC offsets.
THE QUICK REFERENCE
CSVHST to CST conversion table
November 3, 2026 · Date changes are marked.
View the full 24-hour table
| HST | CST |
|---|---|
| 12:00 AM | 4:00 AM |
| 1:00 AM | 5:00 AM |
| 2:00 AM | 6:00 AM |
| 3:00 AM | 7:00 AM |
| 4:00 AM | 8:00 AM |
| 5:00 AM | 9:00 AM |
| 6:00 AM | 10:00 AM |
| 7:00 AM | 11:00 AM |
| 8:00 AM | 12:00 PM |
| 9:00 AM | 1:00 PM |
| 10:00 AM | 2:00 PM |
| 11:00 AM | 3:00 PM |
| HST | CST |
|---|---|
| 12:00 PM | 4:00 PM |
| 1:00 PM | 5:00 PM |
| 2:00 PM | 6:00 PM |
| 3:00 PM | 7:00 PM |
| 4:00 PM | 8:00 PM |
| 5:00 PM | 9:00 PM |
| 6:00 PM | 10:00 PM |
| 7:00 PM | 11:00 PM |
| 8:00 PM | 12:00 AM +1 day |
| 9:00 PM | 1:00 AM +1 day |
| 10:00 PM | 2:00 AM +1 day |
| 11:00 PM | 3:00 AM +1 day |
Starting with the CST working day
These examples start on 2026-11-03 in CST.
09:00 CST05:00 →HST · 2026-11-03
17:00 CST13:00 →HST · 2026-11-03
Which time-zone meaning are we using?
Central Standard Time
CST means UTC−06:00 throughout the year. Central Time follows regional clock rules and uses UTC−06:00 on your selected date.
Use CT for local civil time →Other meanings: China Standard Time.
ONE CLOCK TIME. THE WHOLE YEAR.
Year CSV09:00 HST to CST throughout 2026
09:00 in HST converts to 13:00 in CST on every date in 2026. The destination has the same calendar date.
Every calendar date is included, not just workdays. Date ranges include both endpoints. Based on IANA 2026e; future rules may change.
DON’T LOSE A DAY
When does HST time become a different date in CST?
Your complete source day: 2026-11-03. Each range shows which destination date to use.
HST · 2026-11-0300:00–20:00UTC−10:00
CST · 2026-11-0304:00–24:00UTC−06:00 Same date
HST · 2026-11-0320:00–24:00UTC−10:00
CST · 2026-11-0400:00–04:00UTC−06:00 Next day
Range starts are included; ends are excluded. 24:00 means midnight at the end of that date. Repeated hours appear separately with their UTC offsets. The strip is proportional to elapsed time.
THE BIGGER PICTURE
2026Some things stay in sync.
The difference between HST and CST stays the same throughout 2026.
JANFEBMARAPRMAYJUNJULAUGSEPOCTNOVDEC
+4h
Neither selected clock changes its UTC offset during 2026.
CLOCK CHANGES
No upcoming clock adjustment
Both selected labels are fixed offsets, so seasonal clock changes do not alter this conversion.
PLAN BEYOND A SINGLE DAY
Daily CSVHST–CST working hours through 2026
Every date calculated with your working windows. 261 selected HST workdays; public holidays are not applied.
Least shared time4h
Most common4h
Most shared time4h
Days without a 60-min slot0 / 261
A start time that survives the whole year.
Start a 60-minute meeting in HST 09:00–12:00.
These starts fit both working windows on every selected HST workday in 2026, using a 15-minute start grid. The end of each range is the last valid start.
HST: 09:00–17:00, Mon, Tue, Wed, Thu, Fri. CST: 09:00–17:00, Mon, Tue, Wed, Thu, Fri.
Calculation details and repeated hours
Overnight shifts belong to their start weekday. Host workday means the source calendar date. Repeated local times use the first occurrence.
THE DETAILS THAT MATTER
HST to CST: useful answers
Is CST the same as local city time?
CST is fixed at UTC−06:00. HST to Chicago (CT) uses regional rules instead. On 2026-11-03, 09:00 at the source becomes 13:00 at the destination (CST). Choose the local-city option above when that is the clock you mean.
Which cities match CST throughout 2026?
Mexico City, Mexico; Guatemala City, Guatemala; Managua, Nicaragua; Tegucigalpa, Honduras keep the same UTC−06:00 offset as fixed CST throughout 2026 under the published rules. Matching an offset does not mean every place uses the abbreviation CST.
Does the HST–CST time difference change in 2026?
The difference stays constant throughout 2026: CST is 4h ahead compared with HST.
Does this conversion change the calendar date?
09:00 in HST on 2026-11-03 is 13:00 in CST on 2026-11-03. This selected time stays on the same date in both places. Other times can cross midnight.
Can HST and CST meet during working hours?
Your selected working windows share 4h on 2026-11-03. The planner above checks the whole meeting duration and shows suitable start times. Edit the windows to match your team.
Related time-zone meanings and conversions
Choose the question you need answered
Calculated with IANA 2026e. Working hours are your preferences; public holidays and calendar availability are not included. Our methodology