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How to Actually See the September Equinox This Weekend

It’s an important annual milestone: autumn equinox north of the equator and spring equinox to the south.

The September equinox arrives on Saturday morning (late Friday PT), signaling a shift in seasons. 

The fact that the September and March equinoxes, along with December and June solstices, happen at the same time each year suggests the milestones have something to do with Earth’s year-long journey around the sun. And, of course, they do, but there’s more going on.

On the equinox the sun appears directly over the equator, which means that daylight and nighttime hours are roughly equal around the globe, hence the word equinox.

But if you picture a diagram of the solar system with all the planets in the same plane orbiting the sun endlessly, you might ask why it isn’t equinox every day instead of just two days a year? This is because of a weird quirk of our world, which is that Earth doesn’t rotate on its axis straight up and down; instead the planet is tilted by 23.5 degrees. 

This is actually what gives us our seasons. When Earth is at the point in its orbit where the north pole is tilted toward the sun, that’s summer in the northern hemisphere and also the time of year when the sun is higher in the sky. The moment when the sun is highest in the sky in the north is the June solstice. When it’s lowest in the sky in the north and highest in the south, that’s the December solstice. 

The equinoxes are the midway points between the two solstices, the moment Earth crosses the point in its orbit when one hemisphere begins to receive more sun than the other. Or, astronomically speaking, the moment one of Earth’s poles transitions to be closer to the sun than the other. This happens next at 11:50 p.m. PT Friday, which will be Saturday morning or afternoon for much of the rest of the world. 

How do I see it?

An equinox is really just a milestone along our 365.25-day journey around the sun, but there are a few ways to see it, kind of. 

No matter where you are on Earth on equinox day, the sun will rise as close to due east and set as close to due west as it ever will. It’s the one day the sun is a pretty foolproof compass. This makes the equinox a handy day for wayfinding. If you go outside at sunrise Saturday, take note of any landmarks directly in front of the sun as it rises. Now you’ll know with confidence that those landmarks are due east from your location. Same goes for anything in front of the setting sun in the west.

Pay close attention and you’ll notice something else about an equinox sunrise and sunset — they go by more quickly than on any other day of the year. Because the sun is rising due east and setting almost perfectly west, it’s also coming up and going down at the steepest angle of the year. This means it takes fewer seconds for the full disc of the sun to emerge above the horizon and then disappear below it again in the evening. 

The actual difference between the fastest sunset and the slowest sunset, which is — you guessed it — on the solstice, is only about 30 seconds at middle latitudes. In other words, an equinox sunrise is faster by about one-sixth compared to a solstice sunrise. Try timing it and marking it on your calendar and then doing the same in three months at the next solstice. 

Technologies

Nintendo Switch 2 vs. Switch 1: Every Detail Compared

The Nintendo Switch 2’s official specs aren’t too different, but the new console has a lot of upgrades on the original Switch.

The Nintendo Switch 2 may look like its predecessor, but there’s been a lot of changes to its features and under the hood. The new console has «10x the graphics performance» compared to the original Switch, says Nvidia, which built the custom processor powering the Switch 2.  

The Switch 2, with a release date on June 5, is priced at $450 alone or $500 in a bundle with Mario Kart World, the headliner of the console’s launch games. Here’s all the info on how to preorder the Switch 2.

Note that we’re mostly comparing the Switch 2 to the original Switch 1 released in March 2017, because looping in the Switch Lite and Switch OLED gets complicated.

Design

Broadly, the Switch 2 is a larger version of its predecessor, with everything looking slightly inflated: bigger footprint, bigger screen, bigger Joy-Cons. 

Original Switch: The original Switch, with Joy-Cons slotted into the side rails, is a little over 9.4 inches wide, 4 inches tall, a little over half an inch thick and weighs about 10.5 ounces (297 grams). The Joy-Cons slide into place from the top of the device’s sides, while a thin wedge of plastic pops out of the back of the console to serve as a kickstand.

The Switch also came with a dock, which the console could slot into to for recharging and outputting to a TV or large display via HDMI port.  

Switch 2: The new Switch 2 is bigger in every way, but it has the same overall shape and layout as the original. The new Joy-Cons will indeed be held in place on the console magnetically, and connect to the console via pins. The new console also sports a wide U-shaped kickstand that spans almost its entire rear width, which can be moved around to prop up the Switch 2 at a variety of angles. Nintendo says the console has more powerful speakers, which we’re looking forward to testing.

The Switch 2’s dock is largely similar in function though it has rounded edges and an internal fan to cool down the console during long game sessions. More importantly, it can output games in 4K to TVs, but only for select games. 

Joy-Cons

The Joy-Cons were a marvel when they arrived on the first Switch, and while they’re functionally similar in its successor, there have been upgrades in the Switch 2’s controllers.

Original Switch: The Switch Joy-Cons are simple but powerful controllers that slid on and off the console via plastic rails, connecting and recharging via pins on the side. Detach and they become their own micro-controllers, with little shoulder buttons to boot.

Switch 2: The new console’s Joy-Cons are larger to fit the Switch 2, and lock into the side of the console via powerful magnets — there are small inward-facing buttons to the side of ZR and ZL to detach the controllers from the console. The larger-size Joy-Cons have longer L and R outside shoulder buttons, as well as much wider SL and SR internal shoulder buttons, which are accessible when detached from the console. 

And yes, you can use the Switch 2 Joy-Cons as mice by placing their inner edges flat on a surface. During the Nintendo Direct, we saw it being used to control active action games like the wheelchair basketball-simulating DragXDrive and strategy games like Civilization VII. 

Display size

Original Switch: The original Switch has a 6.2-inch LCD screen with 1,280×720-pixel resolution, which was reasonably impressive at launch in 2017 but has been outclassed by newer handhelds with sharper displays. The Switch OLED upgraded this with a larger 7-inch display showing deeper blacks and colors, but no upgrade in resolution. The Switch Lite has a 5.5-inch LCD screen.

Switch 2: Unsurprisingly, the Switch 2’s larger size means a larger display. The new console has a 7.9-inch 1080p LCD screen that can get up to 120Hz refresh rate in handheld mode, or up to 4K when docked and outputting to a TV. 

Why no OLED display? Possibly to save on costs… or possibly to give Nintendo room to release a Switch 2 OLED version down the line.

CPU/GPU

Original Switch: The original Switch runs on an Nvidia custom Tegra X1 processor split into four ARM Cortex A57 CPU cores, and according to Hackaday, there are four extra A53 cores that aren’t used. 

Switch 2: Once again, Nintendo hasn’t released any official info on the Switch 2’s specs, even after the Nintendo Direct reveal stream — and they most the company reveals is that it has a «custom processor made by Nvidia» on the Switch 2’s official specs page. Nvidia confirmed it also has a custom GPU, claiming that the new console has «10x the graphics performance» of the Switch 1, and the custom processor’s AI-powered features include Deep Learning Super Sampling (DLSS), face tracking and background removal for video chat and real-time ray tracing.

We do still have more supposed details from previous leaks. Months ago on X (formerly Twitter), leaker Zuby_Tech posted that the Switch 2’s CPU will be an eight-core Arm Cortex A78C. They also suggested that the GPU will be an Nvidia T239 Ampere, aligning with years of similar rumors reported on by Eurogamer and others about the custom chip, which derives from Nvidia’s Tegra line of chips for smartphones and mobile devices.

RAM and storage

Original Switch. The Switch has 4GB of LPDDR4 RAM and 32GB of onboard storage, expandable up to 2TB via microSD cards in the slot beneath the kickstand.

Switch 2: Even after the reveal stream, Nintendo didn’t release official specs for RAM. Leaker Zuby_Tech posted on X back in September suggesting the Switch 2 will have 12GB of LPDDR5 RAM and 256GB of onboard storage. That leak also suggested the new console will have two internal fans, up from the single one in the original Switch. 

Nintendo did confirm that the new console will have 256GB of onboard storage, which can be expanded with special microSD Express cards — sorry, your old Switch-compatible microSD cards won’t work on the Switch 2.

Battery life

Original Switch: The original Switch packs a 4,310-mAh battery, which gives between 4.5 and 9 hours of battery life depending on screen brightness and other factors.

Switch 2: Though Nintendo didn’t release details on the Switch 2’s capacity in the reveal stream, the company does list specs on its website, showing it packs a 5,220mAh battery. While that’s notably larger than the one in its predecessor, Nintendo estimates this will only get players between an estimated 2 and 6.5 hours, depending on games played.   

Ports

Original Switch: The first Switch sports a single USB-C port out the bottom, a 3.5mm headphone jack on the top and Wi-Fi 5 plus Bluetooth 4.1 connectivity. On the top is a slot at the top for Switch game cartridges as well as the microSD slot beneath the kickstand on the rear of the console.

Switch 2: The Switch 2 retains the original’s USB-C port on the bottom and 3.5mm jack on the top while adding another USB-C port topside, and now we know what it’s for: to connect with accessories like the Nintendo Switch Camera, a webcam-like camera on a stand to let you do Nintendo’s version of FaceTiming while you play games with your friends.

Nintendo hasn’t clarified the console’s connectivity options, and rumors are scarce on the subject. 

As for cartridges, Switch 2 will play some original Switch games in physical versions. The cartridge slot is to the right of the headphone jack in the above image, which is where the slot is on the original Switch. You can tell game cartridges from the two console generations apart by color: ones for the new Switch 2 are red, while older Switch 1 games are black.

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