# United Kingdom Infrared Telescope, United States: what it is and when to go

> United Kingdom Infrared Telescope is an infrared reflecting telescope in Hawaii in United States, at 4,194 m above sea level. Interests: Stargazing. The best time to visit is November to March, a short season because of the altitude. In June there are 13 h 11 of daylight, and in December, 10 h 48. It has articles in 11 Wikipedias, so it is not one of the busiest places in United States: one to enjoy at a calmer pace. Here is what it is, where it lies, when to come, how to get there and what else is nearby to turn it into a trip.

- Address: https://kokai.app/en/paises/america/estados-unidos/united-kingdom-infra-red-telescope/
- Reviewed on: 2026-10-08
- Language: en

## In a nutshell

- **What it is:** Infrared reflecting telescope in Hawaii · Stargazing
- **Where:** United States
- **Elevation:** 4,194 m
- **You can go:** November to March.
- **Nearest airport:** SFO San Francisco, 3,790 km as the crow flies
- **Run by:** Joint Astronomy Centre
- **Coordinates:** 19.82249, -155.47033

## What it is and where

United Kingdom Infrared Telescope is an infrared reflecting telescope in Hawaii in United States, at 4,194 m above sea level. It has articles in 11 Wikipedias, so it is not one of the busiest places in United States: one to enjoy at a calmer pace.

Its coordinates are 19.82249, -155.47033; the nearest main airport is San Francisco International Airport (SFO, San Francisco), 3,790 km as the crow flies. How to get around United States (train, car, bus) is covered in [its country guide](https://kokai.app/en/paises/america/estados-unidos/#moverse).

- [Where it is](https://www.google.com/maps/search/?api=1&query=19.822489%2C-155.470328)
- [Directions](https://www.google.com/maps/dir/?api=1&destination=19.822489%2C-155.470328)

- **Run by:** Joint Astronomy Centre

It is one of the [Stargazing](https://kokai.app/en/paises/america/estados-unidos/estrellas/) places in United States. In [Kokai](https://kokai.app/en/) it is already on your trip map next to the places you save yourself, and it goes into a day's plan with one tap.

## When to go

Months when you can visit United Kingdom Infrared Telescope: **November to March**, and the season is short because it sits at 4,194 m: above 1,800 m there is snow until June and it returns in October.

| Mes | Época | Hours of daylight |
| --- | --- | --- |
| January | Possible | 10 h 56 |
| February | Possible | 11 h 21 |
| March | Possible | 11 h 52 |
| April | Better not | 12 h 27 |
| May | Better not | 12 h 56 |
| June | Better not | 13 h 11 |
| July | Better not | 13 h 05 |
| August | Better not | 12 h 41 |
| September | Better not | 12 h 06 |
| October | Better not | 11 h 32 |
| November | Possible | 11 h 03 |
| December | Possible | 10 h 48 |

In June there are 13 h 11 of daylight, and in December, 10 h 48. Daylight hours are calculated from the site's latitude for the 15th of each month; when planning a full day on foot they matter as much as the weather.

When to go to United States in general, with its festivals and peak seasons, is in [its country guide](https://kokai.app/en/paises/america/estados-unidos/#cuando-ir).

## Before you go to United States

To enter United States there are 9 things to sort out before you leave, starting with “Book national parks and cars in advance”: they are all, with their deadlines, in [the United States checklist](https://kokai.app/en/paises/america/estados-unidos/#antes-de-salir). Currency: US dollar (USD); plugs: Type A and B · 120 V · 60 Hz (you need an adapter, and check your devices' voltage); emergencies: 911 for everything.

In [Kokai](https://kokai.app/en/) you tick off the checklist inside your trip, and each item reminds you when it is time to do it.

## What is nearby

- [UH88](https://kokai.app/en/paises/america/estados-unidos/uh-2-2m-telescope/): Telescope at Hawaii · 116 m
- [Mauna Kea](https://kokai.app/en/paises/america/estados-unidos/mauna-kea/): Hawaiian volcano · 311 m
- [NASA Infrared Telescope Facility](https://kokai.app/en/paises/america/estados-unidos/nasa-infrared-telescope-facility/): Infrared telescope in Hawaii · 458 m
- [W. M. Keck Observatory](https://kokai.app/en/paises/america/estados-unidos/w-m-keck-observatory/): Astronomical observatory located in Hawaii · 609 m
- [Subaru Telescope](https://kokai.app/en/paises/america/estados-unidos/subaru-telescope/): Observatory · 689 m

Distances are as the crow flies. Everything else is in [the United States guide](https://kokai.app/en/paises/america/estados-unidos/).

## More in United States: Stargazing

- [Palomar Observatory](https://kokai.app/en/paises/america/estados-unidos/palomar-observatory/): observatory in Southern California
- [Lowell Observatory](https://kokai.app/en/paises/america/estados-unidos/lowell-observatory/): astronomical observatory
- [Yerkes Observatory](https://kokai.app/en/paises/america/estados-unidos/yerkes-observatory/): astronomical observatory in Wisconsin, USA
- [Very Large Array](https://kokai.app/en/paises/america/estados-unidos/karl-g-jansky-very-large-array/): radio astronomy observatory located on the Plains of San Agustin
- [Griffith Observatory](https://kokai.app/en/paises/america/estados-unidos/griffith-observatory/): observatory in Los Angeles, California, USA
- [Mount Washington](https://kokai.app/en/paises/america/estados-unidos/mount-washington/): highest mountain in the U.S. state of New Hampshire

Every United States place under Stargazing, each with its season, is on [its page](https://kokai.app/en/paises/america/estados-unidos/estrellas/).

## Frequently asked questions

### What is United Kingdom Infrared Telescope?

It is an infrared reflecting telescope in Hawaii in United States. It has articles in 11 Wikipedias, so it is not one of the busiest places in United States: one to enjoy at a calmer pace.

### When is the best time to visit United Kingdom Infrared Telescope?

November to March, and it is worth checking carefully: at 4,194 m the season is shorter than lower down. In June there are 13 h 11 of daylight, and in December, 10 h 48.

### How do you get to United Kingdom Infrared Telescope?

The nearest main airport is San Francisco International Airport (SFO), 3,790 km as the crow flies. From there, [directions](https://www.google.com/maps/dir/?api=1&destination=19.822489%2C-155.470328) opens the route on the map, and how to get around United States is explained in [its country guide](https://kokai.app/en/paises/america/estados-unidos/#moverse).

### How do I add it to my trip?

With one tap. In Kokai it is already on the United States map, next to the places you save yourself: add it to a day's plan, give it a time and, if you like, get a reminder when you pass nearby.

### What else is around here?

Nearby you have [UH88](https://kokai.app/en/paises/america/estados-unidos/uh-2-2m-telescope/), [Mauna Kea](https://kokai.app/en/paises/america/estados-unidos/mauna-kea/), [NASA Infrared Telescope Facility](https://kokai.app/en/paises/america/estados-unidos/nasa-infrared-telescope-facility/). The rest is in [the United States guide](https://kokai.app/en/paises/america/estados-unidos/).

Data from [OpenStreetMap](https://www.openstreetmap.org/node/9015454542), licensed under the ODbL, and from [Wikidata](https://www.wikidata.org/wiki/Q848021), CC0. More about United Kingdom Infrared Telescope on [Wikipedia](https://en.wikipedia.org/wiki/United_Kingdom_Infrared_Telescope). Daylight hours are calculated from the latitude. More in [credits](https://kokai.app/en/aviso/#creditos).

