Diwali clay lamps are most commonly called diyas; these earthenware lamps are also known as dipa or deepa in Sanskrit
What are clay lamps called?
Clay lamps used during Diwali are universally called diyas
You’ll spot these everywhere during Diwali celebrations. In India, “diyas” are small, handmade clay lamps filled with oil and a cotton wick. Light them up to honor Lakshmi, the goddess of wealth, and to celebrate light’s victory over darkness. The 2026 Diwali festivities run from the evening of October 18 to October 22—mark your calendars if you want to join in.
Why are lamps lit during Diwali?
Lamps are lit during Diwali to symbolize the victory of good over evil, dispel darkness, and invite spiritual clarity and prosperity
According to the Hindu American Foundation, diyas represent purity, goodness, and enlightenment. Lighting them on the new-moon night of the Hindu lunar month Kartik is meant to banish ignorance and negative emotions like anger and greed. Picture thousands of glowing diyas across homes and streets—it’s a powerful visual of knowledge triumphing over ignorance.
What oil was used in lamps in biblical times?
Olive oil was the primary fuel for lamps in biblical times
The Encyclopædia Britannica confirms olive oil was widely available in the Levant and burned cleanly in clay lamps called Herodian lamps. It wasn’t just practical—it held sacred meaning too, lighting the menorah in the Jerusalem Temple and guiding night travelers.
What attractive replacements conventional kerosene lamps?
Mantle lamps, also known as pressurized kerosene or Coleman-style lanterns, are the most attractive and effective replacements
Mantle lamps work by heating a mesh mantel with a gas flame, producing a brilliant white light. Compared to flat- or round-wick kerosene lamps, they generate up to five times more lumens. Campers, outdoor event planners, and emergency responders swear by them for their brightness and reliability.
What is the best fuel for oil lamps?
K-1 kerosene remains the best fuel for traditional flat-wick and lantern-style oil lamps
K-1 kerosene burns cleanly, produces a bright flame, and is easy to find at filling stations in 1-gallon containers. If you’re after a safer, odorless option, clear paraffin lamp oil is a solid choice—just expect to pay 20–30% more than kerosene.
What is the difference between lamp oil and kerosene?
Lamp oil is refined paraffin that has been purified to burn with fewer impurities, while kerosene is a less-refined petroleum distillate
The U.S. Environmental Protection Agency explains paraffin lamp oil goes through hydrotreating to remove sulfur and aromatics, giving you a cleaner, lower-odor burn. Kerosene, on the other hand, contains trace sulfur and aromatics that can create a noticeable smell and a bit more soot.
What can be used in place of lamp oil?
Extra-light olive oil, sunflower oil, or safflower oil are all safe and effective substitutes for lamp oil
Unrefined vegetable oils like peanut or sesame oil work too, but they tend to smoke more. For the best results, pick a high-quality, clear oil with a smoke point above 400°F (204°C). Don’t forget to trim the wick regularly to keep the flame steady.
Can you use vegetable oil in a lamp?
Yes—almost any refined vegetable oil can be used in a lamp, provided the wick is trimmed and the oil is free of additives
Canola, soybean, and sunflower oil are popular choices. Skip oils with solid fats like coconut oil unless you preheat them—otherwise, they can clog the wick. Always test burn outdoors or in a well-ventilated space first to check the smoke and flame height before committing to long-term use.
Can you use alcohol in an oil lamp?
No—pure rubbing (isopropyl) alcohol should not be used in a traditional oil lamp; it is unsafe and produces an unstable flame
Some commercial lamp fuels mix isopropyl alcohol with distilled water, but straight rubbing alcohol in an open oil lamp is a fire hazard and can wreck your wick. If you’re after a scented flame, add a drop or two of essential oil to approved lamp oil instead.
Was olive oil used in lamps?
Yes—olive oil has been used in lamps for millennia, from ancient Mediterranean cultures to traditional Middle Eastern and Indian diyas
The UNESCO Intangible Cultural Heritage listings highlight olive-oil lamp traditions in Greece and Italy. You can use lower-cost pomace olive oil in diyas, but avoid mixed or adulterated oils—they’ll create way too much smoke and soot.
Are oil lamps bad for your health?
Lamp oil itself is not harmful if used correctly, but aspirating liquid paraffin or kerosene into the lungs can cause chemical pneumonitis
The National Capital Poison Center warns that even small amounts of lamp oil can lead to aspiration pneumonia if swallowed. Keep lamp oil out of kids’ reach, use child-resistant caps, and always supervise lamp use around pets and infants.
What type of oil is traditionally used in religious lamps?
Extra virgin olive oil is the traditional fuel for lamps in Christian, Jewish, and Islamic rituals
In Christian traditions, olive oil in sanctuary lamps symbolizes Christ as the Light of the World. The United States Conference of Catholic Bishops even specifies olive oil for lamps before the Blessed Sacrament. Jewish ner tamid lamps use olive oil to represent eternal light, too.
How do you make homemade oil lamps?
You can make a simple oil lamp using a small glass jar, cotton string wick, wire hanger, and olive or vegetable oil
- Cut a 6-inch strip of cotton string for the wick; soak it in oil for 10 minutes to prime it.
- Bend a wire hanger into a U-shape; hook the ends over the jar rim and suspend the wick so the bottom sits about 1 cm above the base.
- Fill the jar with oil to within 1 cm of the rim; center the wick and light it. Trim the wick to ½ inch for a steady, smokeless flame.
For outdoor use, place the lamp on a heat-resistant surface and keep it away from drafts. Replace the oil weekly to prevent rancidity and wick buildup.
What type of oil is traditionally?
Olive oil is the traditional fuel for lamps in Christian rituals
It’s lit by the bishop when the church is consecrated, and ideally burns perpetually thereafter. The oil burned in these lamps is traditionally olive oil. You’ll even find oil lamps referenced as symbols throughout the New Testament, like in the Parable of the Ten Virgins.
