Hong Kong is 15 hours ahead of Phoenix for most of the year: when it is 9:00 am in Phoenix it is 12:00 am (next day) in Hong Kong. In offset terms Phoenix is on UTC-07:00 and Hong Kong is on UTC+08:00 in January, and UTC-07:00 and UTC+08:00 in July. The converter above works from your browser’s own time zone data, so the figure it shows is the one in force today rather than the one that was in force when this page was written.
Neither city changes its clocks. Phoenix stays on UTC-07:00 and Hong Kong stays on UTC+08:00 all year. The difference is therefore fixed for all of 2026, which makes this one of the few city pairs where a single number is the whole answer: Hong Kong is always 15 hours ahead of Phoenix. Recurring meetings between the two never drift, and the table below confirms it period by period.
There is no overlap in office hours at all. Phoenix works 08:00 to 17:00 and Hong Kong works 09:00 to 18:00, and with 15 hours between them one city has closed before the other opens. Anything live has to be early for one side or late for the other; 17:00 to 18:00 in Phoenix, which is 08:00 to 09:00 in Hong Kong, is usually the least painful compromise. Both cities work Monday to Friday, so only the clock has to be reconciled.
Two local details worth knowing. Arizona does not observe daylight saving, so Phoenix keeps pace with Los Angeles in summer and with Denver in winter. The exchange trades 09:30 to 16:00 with a lunch break, and UTC+08:00 has been fixed since daylight saving was dropped in 1979.
Write the invitation in both clocks. "09:00 Phoenix / 00:00 Hong Kong" removes the ambiguity that abbreviations introduce — Phoenix alone is read as MST in winter and MST in summer, and calendar software will happily convert one into the other without telling you.
The formula
local Phoenix- The time you enter, on the Phoenix clock
offset- Each city’s UTC offset at that moment, read live from the IANA time zone database in your browser
+15- The difference in hours that holds for most of 2026: Hong Kong is 15 hours ahead of Phoenix
day shift- Whether the converted time falls on the previous, same or next calendar day in Hong Kong
How it works, step by step
- Enter a time in Phoenix using the 24-hour hour box and the minute box — 15:30 is hour 15, minute 30.
- Your browser reports the UTC offset in force in Phoenix and in Hong Kong for that moment, so a date near a daylight saving transition is handled correctly rather than with a fixed 15 hour rule.
- The second offset minus the first gives the difference, which is added to the time you entered. A result past midnight is marked as the next or previous day, because that is where most conversion mistakes live.
- The panel also shows the current time in both cities, the date in Hong Kong, and whether the two offices are open at the same moment.
Worked examples
08:00 in Phoenix
08:00 in Phoenix is 23:00 in Hong Kong — late at night in Hong Kong. In 12-hour terms, 8:00 am against 11:00 pm. Only one of the two offices is open at that moment, so it is worth offering rather than assuming.
12:00 in Phoenix
12:00 in Phoenix is 03:00 in Hong Kong (next day) — the middle of the night in Hong Kong. In 12-hour terms, 12:00 pm against 3:00 am (next day). Only one of the two offices is open at that moment, so it is worth offering rather than assuming.
16:00 in Phoenix
16:00 in Phoenix is 07:00 in Hong Kong (next day) — before the working day starts in Hong Kong. In 12-hour terms, 4:00 pm against 7:00 am (next day). Only one of the two offices is open at that moment, so it is worth offering rather than assuming.
23:00 in Phoenix, and the date problem
23:00 in Phoenix is 14:00 in Hong Kong (next day). This is where conversions go wrong in writing: the time is right, the day is not, and a meeting invitation sent for "Tuesday" arrives for the wrong Tuesday. Give the date in both cities whenever the converted time is near midnight.
How to read your score
Frequently asked questions
How many hours ahead of Phoenix is Hong Kong?
Hong Kong is 15 hours ahead of Phoenix for most of 2026, so 09:00 in Phoenix is 00:00 in Hong Kong (next day). That difference holds for the whole year, because the two clocks either never change or change on the same dates — the table on this page confirms it period by period.
What is 2 pm Phoenix time in Hong Kong?
5:00 am (next day), the middle of the night in Hong Kong. In 24-hour form 14:00 in Phoenix is 05:00 in Hong Kong (next day), and that is outside working hours in Hong Kong.
What is the best time to call between Phoenix and Hong Kong?
There is no time when both offices are open, so one side has to step outside its normal hours. The two least disruptive options are 07:00 in Phoenix, which is 22:00 in Hong Kong, or 17:00 in Phoenix, which is 08:00 in Hong Kong.
Is Hong Kong ahead of or behind Phoenix?
Hong Kong is ahead. Phoenix is at UTC-07:00 and Hong Kong is at UTC+08:00 in mid-January, and UTC-07:00 and UTC+08:00 in mid-July. The clock moves forward going from Phoenix to Hong Kong, which is why Hong Kong reaches the end of its working day first.
Do Phoenix and Hong Kong change their clocks on the same date?
Neither city changes its clocks. In 2026, Phoenix does not change its clocks at all, and Hong Kong does not change its clocks at all. The difference between the two cities therefore holds all year.
What do the abbreviations for Phoenix mean?
Phoenix is on MST in winter and MST in summer, while Hong Kong uses HKT and HKT. Abbreviations are the least reliable way to write a time: several are ambiguous between regions, and the summer and winter forms are an hour apart. A UTC offset, or the time given in both cities, cannot be misread.
Does this converter stay correct after the clocks change?
Yes. It does not use a stored number for the difference. Each time you change a value it asks your browser for the UTC offset that America/Phoenix and Asia/Hong_Kong are on at that moment, using the IANA time zone database that ships with your operating system, and takes the difference. The tables on this page are computed from the same database for 2026.
Phoenix to Hong Kong: every hour, every period of 2026, and meeting slots
| Phoenix (24h) | Phoenix (12h) | Hong Kong (24h) | Hong Kong (12h) | Status |
|---|---|---|---|---|
| 00:00 | 12:00 am | 15:00 | 3:00 pm | office hours in Hong Kong |
| 01:00 | 1:00 am | 16:00 | 4:00 pm | office hours in Hong Kong |
| 02:00 | 2:00 am | 17:00 | 5:00 pm | office hours in Hong Kong |
| 03:00 | 3:00 am | 18:00 | 6:00 pm | outside office hours |
| 04:00 | 4:00 am | 19:00 | 7:00 pm | outside office hours |
| 05:00 | 5:00 am | 20:00 | 8:00 pm | outside office hours |
| 06:00 | 6:00 am | 21:00 | 9:00 pm | outside office hours |
| 07:00 | 7:00 am | 22:00 | 10:00 pm | outside office hours |
| 08:00 | 8:00 am | 23:00 | 11:00 pm | office hours in Phoenix |
| 09:00 | 9:00 am | 00:00 (next day) | 12:00 am (next day) | office hours in Phoenix |
| 10:00 | 10:00 am | 01:00 (next day) | 1:00 am (next day) | office hours in Phoenix |
| 11:00 | 11:00 am | 02:00 (next day) | 2:00 am (next day) | office hours in Phoenix |
| 12:00 | 12:00 pm | 03:00 (next day) | 3:00 am (next day) | office hours in Phoenix |
| 13:00 | 1:00 pm | 04:00 (next day) | 4:00 am (next day) | office hours in Phoenix |
| 14:00 | 2:00 pm | 05:00 (next day) | 5:00 am (next day) | office hours in Phoenix |
| 15:00 | 3:00 pm | 06:00 (next day) | 6:00 am (next day) | office hours in Phoenix |
| 16:00 | 4:00 pm | 07:00 (next day) | 7:00 am (next day) | office hours in Phoenix |
| 17:00 | 5:00 pm | 08:00 (next day) | 8:00 am (next day) | outside office hours |
| 18:00 | 6:00 pm | 09:00 (next day) | 9:00 am (next day) | office hours in Hong Kong |
| 19:00 | 7:00 pm | 10:00 (next day) | 10:00 am (next day) | office hours in Hong Kong |
| 20:00 | 8:00 pm | 11:00 (next day) | 11:00 am (next day) | office hours in Hong Kong |
| 21:00 | 9:00 pm | 12:00 (next day) | 12:00 pm (next day) | office hours in Hong Kong |
| 22:00 | 10:00 pm | 13:00 (next day) | 1:00 pm (next day) | office hours in Hong Kong |
| 23:00 | 11:00 pm | 14:00 (next day) | 2:00 pm (next day) | office hours in Hong Kong |
Computed at a difference of 15 hours, which is the one that holds for most of 2026. During the transition windows in the table below, shift the right-hand columns by an hour.
| Period | Length | Phoenix offset | Hong Kong offset | Difference | Abbreviations |
|---|---|---|---|---|---|
| 01 Jan to 31 Dec | 365 days | UTC-07:00 | UTC+08:00 | +15:00 | MST / HKT |
Every row is read from the IANA time zone database. Short periods appear where one city has changed its clocks and the other has not yet done so.
| Phoenix | 12-hour | Hong Kong | Verdict |
|---|---|---|---|
| 06:00 | 6:00 am | 21:00 | Outside both |
| 06:30 | 6:30 am | 21:30 | Outside both |
| 07:00 | 7:00 am | 22:00 | Outside both |
| 07:30 | 7:30 am | 22:30 | Outside both |
| 08:00 | 8:00 am | 23:00 | After hours in Hong Kong |
| 08:30 | 8:30 am | 23:30 | After hours in Hong Kong |
| 09:00 | 9:00 am | 00:00 (next day) | Too early in Hong Kong |
| 09:30 | 9:30 am | 00:30 (next day) | Too early in Hong Kong |
| 10:00 | 10:00 am | 01:00 (next day) | Too early in Hong Kong |
| 10:30 | 10:30 am | 01:30 (next day) | Too early in Hong Kong |
| 11:00 | 11:00 am | 02:00 (next day) | Too early in Hong Kong |
| 11:30 | 11:30 am | 02:30 (next day) | Too early in Hong Kong |
| 12:00 | 12:00 pm | 03:00 (next day) | Too early in Hong Kong |
| 12:30 | 12:30 pm | 03:30 (next day) | Too early in Hong Kong |
| 13:00 | 1:00 pm | 04:00 (next day) | Too early in Hong Kong |
| 13:30 | 1:30 pm | 04:30 (next day) | Too early in Hong Kong |
| 14:00 | 2:00 pm | 05:00 (next day) | Too early in Hong Kong |
| 14:30 | 2:30 pm | 05:30 (next day) | Too early in Hong Kong |
| 15:00 | 3:00 pm | 06:00 (next day) | Too early in Hong Kong |
| 15:30 | 3:30 pm | 06:30 (next day) | Too early in Hong Kong |
| 16:00 | 4:00 pm | 07:00 (next day) | Too early in Hong Kong |
| 16:30 | 4:30 pm | 07:30 (next day) | Too early in Hong Kong |
| 17:00 | 5:00 pm | 08:00 (next day) | Outside both |
| 17:30 | 5:30 pm | 08:30 (next day) | Outside both |
| 18:00 | 6:00 pm | 09:00 (next day) | After hours in Phoenix |
| 18:30 | 6:30 pm | 09:30 (next day) | After hours in Phoenix |
| 19:00 | 7:00 pm | 10:00 (next day) | After hours in Phoenix |
| 19:30 | 7:30 pm | 10:30 (next day) | After hours in Phoenix |
| 20:00 | 8:00 pm | 11:00 (next day) | After hours in Phoenix |
| 20:30 | 8:30 pm | 11:30 (next day) | After hours in Phoenix |
| 21:00 | 9:00 pm | 12:00 (next day) | After hours in Phoenix |
| 21:30 | 9:30 pm | 12:30 (next day) | After hours in Phoenix |
Office hours taken as 08:00–17:00 in Phoenix and 09:00–18:00 in Hong Kong, which are the customary hours in each city rather than a generic nine to five.