# Hale Solar Laboratory, United States: what it is and when to go > Hale Solar Laboratory is an observatory in United States (Pasadena, California). Interests: History and Stargazing. The best time to visit is March to October. In June there are 14 h 16 of daylight, and in December, 9 h 44. It has articles in 3 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/hale-solar-laboratory/ - Reviewed on: 2026-10-08 - Language: en ## In a nutshell - **What it is:** Observatory · History, Stargazing - **Where:** United States · Holladay Road 740, Pasadena - **Best time:** March to October. - **Nearest airport:** LAX Los Angeles, 34 km as the crow flies - **Protection:** Protected heritage - **Coordinates:** 34.13321, -118.12091 ## What it is and where Hale Solar Laboratory is an observatory in United States (Pasadena, California). It has articles in 3 Wikipedias, so it is not one of the busiest places in United States: one to enjoy at a calmer pace. It is in [Pasadena, California](https://kokai.app/en/paises/america/estados-unidos/pasadena/), where this site lists 23 more places to see, 3.5 km from the centre. Its coordinates are 34.13321, -118.12091; the nearest main airport is Los Angeles International Airport (LAX, Los Angeles), 34 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=34.133211%2C-118.12091) - [Directions](https://www.google.com/maps/dir/?api=1&destination=34.133211%2C-118.12091) - **Protection:** Protected heritage It is one of the [History](https://kokai.app/en/paises/america/estados-unidos/historia/) and [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 The best time to visit Hale Solar Laboratory is **March to October**. | Mes | Época | Hours of daylight | | --- | --- | --- | | January | Possible | 9 h 58 | | February | Possible | 10 h 46 | | March | Best time | 11 h 45 | | April | Best time | 12 h 52 | | May | Best time | 13 h 47 | | June | Best time | 14 h 16 | | July | Best time | 14 h 04 | | August | Best time | 13 h 17 | | September | Best time | 12 h 12 | | October | Best time | 11 h 07 | | November | Possible | 10 h 11 | | December | Possible | 9 h 44 | In June there are 14 h 16 of daylight, and in December, 9 h 44. 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. | What you come for | Best time | Possible | | --- | --- | --- | | History | March to October | November to February | | Stargazing | — | November to March | It is not the same trip whatever you come for: Hale Solar Laboratory has a different season depending on what you want to do here, and [Kokai](https://kokai.app/en/) puts it in the right month for you. 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 - [Monopole by Wine Rx](https://kokai.app/en/paises/america/estados-unidos/monopole-by-wine-rx/): Winery · 2.0 km - [Norton Simon Museum](https://kokai.app/en/paises/america/estados-unidos/norton-simon-museum-of-art/): Art museum in Pasadena, California · 3.8 km - [Colorado Street Bridge](https://kokai.app/en/paises/america/estados-unidos/colorado-street-bridge/): Bridge in Pasadena, California, United States of America · 4.3 km - [Mission San Gabriel Arcángel](https://kokai.app/en/paises/america/estados-unidos/mision-san-gabriel-archangel/): Roman Catholic mission and a historic landmark in San Gabriel, California · 4.3 km - [Rose Bowl](https://kokai.app/en/paises/america/estados-unidos/rose-bowl-stadium/): Football stadium in Pasadena, California, United States · 5.3 km 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: History - [Empire State Building](https://kokai.app/en/paises/america/estados-unidos/edificio-empire-state/): skyscraper located in Midtown Manhattan, New York City, USA - [Golden Gate Bridge](https://kokai.app/en/paises/america/estados-unidos/puente-golden-gate/): suspension bridge on the San Francisco Bay - [Yellowstone National Park](https://kokai.app/en/paises/america/estados-unidos/parque-nacional-de-yellowstone/): first national park in the world, located in Wyoming, Montana, and Idaho in the United States - [Mount Rushmore](https://kokai.app/en/paises/america/estados-unidos/mount-rushmore/): mountain in South Dakota featuring a sculpture of four US presidents - [Central Park](https://kokai.app/en/paises/america/estados-unidos/central-park/): public park at the center of Manhattan in New York City, New York, United States - [Yosemite National Park](https://kokai.app/en/paises/america/estados-unidos/yosemite-national-park-2/): national park in California, United States Every United States place under History, each with its season, is on [its page](https://kokai.app/en/paises/america/estados-unidos/historia/). ## Frequently asked questions ### What is Hale Solar Laboratory? It is an observatory in United States. It has articles in 3 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 Hale Solar Laboratory? March to October. In June there are 14 h 16 of daylight, and in December, 9 h 44. ### How do you get to Hale Solar Laboratory? The nearest main airport is Los Angeles International Airport (LAX), 34 km as the crow flies. From there, [directions](https://www.google.com/maps/dir/?api=1&destination=34.133211%2C-118.12091) 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 [Monopole by Wine Rx](https://kokai.app/en/paises/america/estados-unidos/monopole-by-wine-rx/), [Norton Simon Museum](https://kokai.app/en/paises/america/estados-unidos/norton-simon-museum-of-art/), [Colorado Street Bridge](https://kokai.app/en/paises/america/estados-unidos/colorado-street-bridge/). The rest is in [the United States guide](https://kokai.app/en/paises/america/estados-unidos/). Data from [OpenStreetMap](https://www.openstreetmap.org/node/13647407156), licensed under the ODbL, and from [Wikidata](https://www.wikidata.org/wiki/Q5641417), CC0. More about Hale Solar Laboratory on [Wikipedia](https://en.wikipedia.org/wiki/Hale_Solar_Laboratory). Daylight hours are calculated from the latitude. More in [credits](https://kokai.app/en/aviso/#creditos).