Visa data shows Muslim spending spikes at night during Ramadan

Muslims fasting in Iceland face more than 20 hours of daylight during summer Ramadan

In countries near the Arctic Circle, Ramadan's rule of fasting from sunrise to sunset can cause some unique challenges for the extended periods of daylight in the region. Icelandic Muslims have developed pragmatic workarounds—some follow the hours of Mecca, others adjust locally. It's an edge case that illuminates how a 7th-century practice gets negotiated across radically different geographies.

Nearly 70% of Muslim Americans always donate to charity during Ramadan

Zakat, one of the core pillars of Islam, directs Muslims to redistribute their wealth and give to the poor. This pillar is commonly honored during Ramadan and likely motivated by the practice of fasting, which encourages gratitude and compassion for those who are less fortunate. Other spikes in charitable giving are seen during the holiday of Eid al-Adha and at the end of the financial year.

Ramadan tends to reduce Gulf productivity, but increases reported happiness

Economists have documented a measurable dip in productivity and output in Muslim-majority countries during Ramadan. But surveys consistently show the opposite on subjective well-being, with people reporting they feel better and more connected.

Ramadan is a major television event in the Middle East

Each year, major networks air special 30-episode dramas timed to the month—one episode per night after iftar. Syrian productions long dominated the format, though that has shifted. The season is the advertising event of the year across the Middle East, rivaling the Super Bowl in commercial intensity.

A 101 on why Ramadan is the holiest time of the Muslim year

As a spiritual guide for members of the Brandeis University community, this overview surfaces the highlights to orient readers on Ramadan logistics, practices, and obligations. It's a useful start for those interested in learning the basics around fasting rules, exemptions, the significance of iftar and suhoor, and common greetings.

Iftar foods from around the world

The global population of Muslims eats and fasts in distinct way around the world. This photo survey spans Morocco's harira soup to Indonesia's kolak (a sweet dessert soup) and Turkey's pide (like pizza but without the tomato sauce). The one universal aspect for most iftar meals is dates and water, following Muhammad's practice. (Some users may experience a paywall.)

Tarawih: the special night prayers during Ramadan

Beyond fasting, Ramadan nights have their own distinct ritual: Tarawih, an extended voluntary prayer performed after Isha, the standard final of five daily prayer times. Communities read through the entire Quran over the course of the month alongside these Tarawih prayers.

A diary of fasting through all 30 days of Ramadan

Aramco World's first-person account follows one Muslim through a full month of fasting—the pre-dawn suhoor meal, the hunger wall, the social texture of iftar. Get a sense of the day-to-day of Ramadan with this experiential guide.

The Five Pillars of Islam, explained through Islamic art at the Met

Fasting during Ramadan—known as sawm—is one of five foundational practices that define Muslim life. The Met uses art objects to illuminate the pillars to make the theology more tangible. Ramadan's fast is interwoven with this broader framework of prayer, charity, pilgrimage, and expressions of faith.

What to eat for suhoor, the pre-dawn mean that has to last all day

Suhoor—eaten before the Fajr prayer at dawn—is the only fuel a fasting Muslim has until sunset. This practical guide covers the logistics around what foods sustain energy longest, what to avoid, and why hydration strategy matters as much as what you eat.

UK's Royal Astronomers join the hunt for Ramadan's crescent moon

In Britain, Muslim communities and professional astronomers now collaborate to officially spot the moon that begins Ramadan, blending ancient practice with modern science. The partnership culminates in a live, unscripted annual broadcast even.

Laylat al-Qadr: the single Islamic night 'holier than a thousand months'

Toward the end of Ramadan, Laylat al-Qadr is observed, recalling Muhammad's "night of power" when the Quran was first revealed, according to Islamic tradition. The Quran describes it as better than a thousand months of worship. Its exact date differs between Sunni and Shia adherents, falling on the 27th night of the month for Sunnis and the 23rd for Shias.

Ramadan moon-sighting can spark intra-family disputes

Because different communities—and even different members of the same family—follow different methods for confirming the crescent, Ramadan doesn't always start on the same day for everyone. The result: "moon wars" that pit parents against children, and mosques against each other, on when exactly the fast begins.

London Mayor Sadiq Khan on why iftar at someone else's table is the whole point

The podcast "Not Even Water" interviews Khan about how Ramadan is actually lived, examining the hospitality culture that surrounds iftar, the logistics of suhoor, and what the month feels like from the inside. The episode is a grounded, personal view of the season.

Eid ul-Fitr vs. Eid ul-Adha: differentiating the two lesser and greater Eids

Most non-Muslims associated Eid with the end of Ramadan—but that's actually the lesser Eid. The greater one, Eid ul-Adha, comes 70 days later and commemorates Ibrahim's (Abraham) willingness to sacrifice his son. It involves Qurbani, the ritual slaughter of an animal, with meat distributed to those in need.

Ramadan will be celebrated twice in 2030 due to the 33-year lunar cycle

Because the Islamic year is 11 days shorter than the Gregorian calendar, Ramadan migrates through every season over a 33-year cycle. In 2030, it will fall twice in the same Gregorian year.

Communal iftars are now a UNESCO intangible cultural heritage

The tradition of breaking fast together where strangers and families share a table at sundown has been recognized by the United Nations' cultural body as significant. The designation sheds light on iftar's social side, beyond just the food.

Look up the date of any Islamic holiday going back to 622 CE

The US Naval Observatory's calculator converts Hijri calendar dates to Gregorian and vice versa, covering Islamic holidays from the first year of the Islamic calendar through the present. The resource helps show how much Ramadan's dates shift year over year and allows readers to find out when Ramadan would have fallen in a certain year.

How to sight the new crescent moon that starts Ramadan

Ramadan doesn't begin on a fixed date. Instead, it begins when a crescent moon is visually confirmed. The Royal Museums Greenwich explains the astronomy behind the sighting, including the conditions that must be met: the sun must be below the horizon, the moon must be above it, and the two must not be within the Danjon Limit (roughly 5 to 7 degrees of separation in the sky, as shown below).

In 1995, Hakeem Olajuwon won NBA Player of the Month while fasting

When Ramadan began on February 1, 1994, Olajuwon fasted every day of the month while playing for the Houston Rockets. He still won Player of the Month. His story is a fascinating look on how world-class athletes stay competitive while observing their religious obligations.

The Hajj

Online Black Friday shoppers spent over 10% more in 2024 than they did in 2023

Online shoppers shelled out some $11.3M per minute between 10 am and 2 pm on Black Friday 2024, according to Adobe Analytics data. The $10.8B online shoppers spent on Black Friday 2024 was more than double the amount they spent online in 2017.

Advent calendars have become a major seasonal driver for brands

Companies now treat Advent calendars as key holiday products, expanding production as demand surges across categories. Retail data shows beauty and self-care calendars consistently rank among the most popular, as some brands report selling out yearly, and retailers order months in advance.

Watch a video that visualizes what really happens inside a credit card network when you make a purchase.

Roughly 39% of Visa's revenue comes from data processing fees.

Visa gets roughly 0.13% to 0.14% of each transaction. About 32% of its revenue stems from the money banks pay Visa to use its services, and roughly 26% of its revenue comes from international transaction fees.

US consumers spent $670M on snack food during Super Bowl week in 2024

According to Circana and NielsenIQ, Super Bowl week drove $670M in snack spending and 107 million pounds of food, with most fans watching at home, spending about $44 on food and drinks each.

Facebook dominated US social ad spend in the first half of 2024

This data visualization shows the social media platforms where advertisers spent the most money in the first six months of 2024, with Facebook leading the pack taking home 36.3% of US social ad spend.

A virtual tour of the Hajj pilgrimage

Over 2 million pilgrims travel to Mecca, Saudi Arabia, every year during the Hajj pilgrimage, a central tenet of the Islamic faith. The route traces one the Prophet Mohammed is said to have once walked, and involves challenging rituals including...

Artificial lighting and modern practices like working late are linked with sleep shifts

An analysis of five adults participating in a German reality program that tasked them with living in a Stone-Age-like settlement for 2.5 months, provided some insights into how modern conditions may have shifted our circadian rhythms. The participants slept about 90 minutes more under these conditions, and went to bed earlier and rose earlier, raising questions about how circadian rhythms, sleep, and sleep quality are affected by modern lifestyles.

Explore internet usage data, including how humans consume 1.2 billion years of content yearly

About half this time consists of content from social media platforms, where the average user spends about 18.5 hours weekly. An estimated $3.66T was spent on consumer goods by online shoppers in 2025, though nonconsumer goods, such as flights and hotel stays, greatly increase this estimate.

The hidden effects of March Madness

March Madness isn’t just a major sporting event—it’s also peak season for vasectomies. Urologists report a 50% increase during the tournament, as patients use recovery time as an excuse to watch nonstop basketball. Meanwhile, workplace distractions from bracket pools and game streaming are estimated to cost US businesses $17 billion.

HSA spending spikes early in the year, while FSA spending peaks in December

Because health savings accounts are designed to alleviate high upfront costs for people with high deductible health plans, the majority of HSA spending happens early in the year. However, around 10% of flexible spending account funds are used in December—right before the use it or lose it deadline.

College football weekends deliver major economic boosts to local communities

Home games draw tens of thousands of fans who spend on hotels, restaurants, and entertainment—injecting millions into local economies and making football Saturdays vital for many college towns’ businesses and seasonal revenue.

In 2024, the period between Thanksgiving and Cyber Monday saw 197 million shoppers

Some argue Black Friday has gone from one day of the year, to two days of the year, including Cyber Monday sales, to, more recently, an entire week. In recent years, companies have offered steep discounts for a week at a time rather than just one or two days.

Interest in intermittent fasting outpaces the science

The public interest in fasting diets has outpaced the science behind related health claims. This article details how the science of fasting diets is mainly exploratory and focused on longevity and disease prevention. Current findings suggest fasting kick-starts regenerative processes in the body, decreases inflammation, and improves health outcomes overall. However, much of this research focuses on the short-term impact of fasting.

Social jetlag—differing weekend and weekday schedules—is physiologically similar to jet lag

Recovering from schedules that drastically differ between weekends and weekdays, something that was first described in academic work in 2006, is a growing concern in public health as more research shows that consistent daily routines are important for human health.

Visa overstays account for nearly 40% of illegal US entries

In fiscal year 2023, approximately 510,000 people overstayed their visas, while 860,000 crossed the border illegally, meaning overstays accounted for 37% of the total number of new unauthorized arrivals. This represents a shift from 2007 to 2018, when overstays outnumbered border crossings, to 2019, when illegal crossings surged again.

The Lunar New Year is a major driver in China's economy

The annual festival brings in billions of dollars in both foreign and domestic tourism. The 2026 holiday includes an additional day, something Chinese officials hope will provide an even bigger boost to the country's somewhat stubborn national retail sales.

The average US adult spends roughly $195 on Easter

That's up from $189 in 2025 and the previous record of $192 in 2023. The vast majority of consumers intend to use it on candy (92%), followed by food (89%) and other gifts.

Why there's a snack recession

Inflation and economic uncertainty have driven many Americans to make cuts to their snack budgets, according to reports from major food manufacturers like General Mills, JM Smucker, and Campbell's. Major retailers have also observed lower-income consumers cutting back on nonessentials due to the macroeconomic environment.

In the 1960s, eateries started using discounted drinks (and sometimes food) as a marketing tactic to make money during off-peak hours

Today, we know happy hours as a time where bars and restaurants offer discounted alcoholic beverages (and sometimes even food or non-alcoholic drinks) in order to attract customers during off-peak hours. But originally, the term “happy hour” didn’t involve alcohol at all.

See South Korea's nighttime light usage, which far surpasses that of North Korea.

You can tell a lot about a place by looking at satellite imagery of the earth at night. Economists use such images to study poverty and inequality, especially about secretive countries where it can be difficult to get information any other way. An image from NASA's Earth Observatory shows the difference in electrification between North and South Korea (and the lights illuminating the DMZ are visible from space).

US holiday retail sales reached $973B in 2024

In 2024, US holiday retail sales reached $973B—nearly one-fifth of annual sales. Many companies depend on this season to bolster revenues.

Heart attacks are less harmful at night

When heart attacks occur during the day they typically do more harm to the heart tissue than if they occur at night. A 2025 study suggests that daytime heart attacks have higher levels of immune cells called neutrophils to contend with and they appear to worsen the injury. Scientists confirmed this same pattern in experiments with mice. (Some readers may experience a paywall.)

Consumers will use digital payment processing for nearly $40T in spending by 2028

That's just one signal of the industry's massive growth. Investments in the global fintech industry have grown from $4B in 2010 to $92.3B in 2021, as both businesses and consumers seem to quickly adopt new fintech products, from digital payment apps to robo-advisers.

Many economists see Black Friday as a litmus test for consumer confidence

Some investors and analysts look at Black Friday’s sales numbers as a way to gauge the overall health of the retail industry—and consumer confidence at large. However, others don’t believe Black Friday results have a particularly significant impact on markets, arguing that the figures only cause short-term gains or losses.

Mother's Day is one of the restaurant industry's biggest days

Brunch is a popular activity for the holiday, leading to large parties, long lines, and big checks—in 2023, the National Retail Federation anticipated $5.6B spent on a meal or outing. That's made Mother's Day a notorious day for service workers, with CNN calling it "The most hated day in the restaurant industry."

11,000 new US dollar stores opened between 2007 and 2017

Dollar store retailers experienced significant fiscal gains during the 2010s, which were then accelerated by the COVID-19 pandemic. But in recent years, dollar stores have been closing in large numbers and suffering financial hardship. Experts point to Walmart's strategy of decreasing prices to cater to inflation-fatigued customers, and point out that when Walmart does well financially, dollar stores typically suffer.

Global eclipse tourism is a multibillion-dollar industry, with the 2024 total solar eclipse across North America estimated to have generated $6B in economic activity across regions along its path.

In 2024, 332 million visitors to America's national parks spent an estimated $29B in local surrounding economies.