Solunar Tables Explained

Should you fish at sunrise or sunset?

Ask ten anglers and you will probably get ten different answers. Some swear by the first hour of daylight. Others insist the evening bite is unbeatable. And every fisherman has a story about catching fish at noon on a bluebird day when, according to conventional wisdom, they should not have been biting at all.

The truth is that fish do not feed on our schedules. They respond to changing conditions in their environment—light levels, weather patterns, water temperature, forage activity, and yes, even the position of the moon.

That is where solunar tables come in.

For nearly a century, anglers have used solunar tables to help anticipate active feeding periods and pin down the best fishing times. They are not a guarantee that fish will bite, but they can help you identify when fish may be more likely to feed. Understanding how they work can help you make the most of your time on the water.

On this page

• What Are Solunar Tables?
• How Solunar Tables Are Calculated
• The History of Solunar Theory
• Why the Moon Matters to Fish
• Understanding Major and Minor Feeding Periods
• Example Solunar Day
• How Experienced Anglers Use Solunar Tables
• Why Overlapping Events Matter
• Common Solunar Table Myths
• Do Solunar Tables Really Work?
• The Bottom Line
• Frequently Asked Questions
• Related Fishing Resources

Solunar tables are forecasts that predict periods of increased fish activity based on the positions of the sun and moon. They highlight major and minor feeding periods—also called major and minor fishing times—so anglers can plan trips around the best fishing times.

Originally developed for both hunters and fishermen, solunar tables identify specific windows during the day when animals are believed to be more active. For anglers, these windows are often called feeding periods or fishing activity periods.

Most solunar tables include:

• Major feeding periods
• Minor feeding periods
• Sunrise and sunset times
• Moonrise and moonset times
• Moon overhead and moon underfoot (lunar transit times)
• Current moon phase

The idea is simple: certain positions of the moon appear to line up with stronger feeding behavior. When those windows occur, fish may be more likely to move, feed, and become catchable.

Solunar tables are not guesswork. Modern forecasts use precise astronomical data to calculate when four key moon events occur at your specific location each day. Those events drive the major and minor periods you see on a fishing forecast.

Moon overhead (lunar transit) is the moment the moon crosses your local meridian—directly above you at its highest point in the sky. This is the same concept astronomers call lunar transit, and it triggers a major feeding period.

Moon underfoot occurs roughly twelve hours later, when the moon is on the opposite side of the Earth—directly beneath your location, passing through its lowest point relative to you. Solunar theory treats this as a second major period of equal strength to moon overhead.

Moonrise and moonset mark when the moon crosses the horizon, similar to sunrise and sunset. These events trigger minor feeding periods—shorter windows that still matter, especially when they overlap dawn or dusk.

Why do these four events create different period strengths? Knight's theory holds that gravitational and positional effects are strongest when the moon is aligned above or below you (major periods) and weaker—but still meaningful—when it is rising or setting (minor periods).

Times vary by location because the moon's position in the sky depends on your latitude and longitude. A major period hitting at 6:15 AM on one lake may occur at 7:40 AM on a lake two states away. That is why lake-specific solunar forecasts matter: the same calendar day produces different feeding windows depending on where you are standing on the water. Browse our fishing intelligence guides for help planning trips around conditions and fish activity.

Solunar theory was developed in 1936 by outdoors writer John Alden Knight, who created solunar theory after years of field study. Knight was an avid hunter and fisherman who set out to identify which environmental factors most consistently influenced fish and game activity.

He analyzed numerous variables—weather, wind, barometric pressure, sunlight, tides, and lunar position—comparing field observations from hunters and anglers against astronomical data. After years of study, he concluded that lunar positioning appeared to be one of the most consistent influences on wildlife movement and feeding behavior.

Knight published his findings as Solunar Theory, combining solar and lunar influences into daily activity forecasts. Nearly ninety years later, the core principles remain the same—but modern solunar tables are built on precise astronomical calculations rather than simple observation. Software now computes lunar transit, moonrise, and moonset times for any coordinate on Earth, producing the major and minor periods you see on today's fishing forecasts.

If you have spent enough time on the water, you have probably noticed that some days simply fish better than others. Weather certainly plays a role, but many anglers believe the moon also influences fish behavior.

Fish do not know what time it is. They do not own watches, check weather apps, or look at calendars. Instead, they respond to environmental cues that have existed for millions of years.

Changes in light levels, water movement, predator activity, forage movement, and seasonal transitions all influence when fish choose to feed. The moon is another one of those natural signals.

The most obvious example of the moon's influence is the ocean tide. The moon's gravitational pull moves enormous amounts of water across the planet every day. While inland lakes do not experience tides like coastal waters, the moon's gravitational effects are still present.

Many anglers believe fish have evolved to respond to these predictable lunar cycles, just as they respond to changing seasons, daylight hours, and weather patterns.

One important distinction is that solunar tables predict activity—not necessarily feeding. An active fish is more likely to move, hunt, and react to a lure than an inactive fish. But activity does not guarantee success.

Think of solunar periods as an increase in opportunity rather than a promise of fish in the boat.

Most solunar tables identify two types of activity windows: major feeding periods and minor feeding periods. Both are tied directly to where the moon sits relative to your location as it moves through the sky each day.

A major feeding period is a roughly two-hour window that occurs when the moon is directly overhead or directly underfoot relative to your location. These are generally considered the strongest fishing activity periods of the day—the major fishing times most anglers try to prioritize.

If you are planning a trip around a solunar forecast, major periods are usually the windows to build your day around. Check your lake's forecast to see when moon overhead and moon underfoot fall for your water.

Moon underfoot means the moon is directly beneath you on the opposite side of the Earth—at its lowest point relative to your position, roughly twelve hours after it passes overhead. You cannot see it from the surface; it is below the horizon on the far side of the planet.

Anglers see moon underfoot listed in solunar forecasts because it marks the second daily lunar transit—the counterpart to moon overhead. Solunar theory treats both transits equally: when the moon aligns above or below your location, gravitational influence is thought to peak, producing a major feeding period.

On many days, moon underfoot falls during daylight hours when you are already on the water. Experienced anglers note that a strong bite during a mid-morning or afternoon major period often coincides with moon underfoot rather than moon overhead. If your forecast shows a major period at an unexpected hour, check whether it aligns with lunar transit on the underfoot side.

A minor feeding period is a shorter window of increased movement that occurs around moonrise and moonset. Minor periods are briefer than majors, but they can still produce excellent fishing—especially when they line up with other favorable conditions.

Many anglers pay close attention when a minor period overlaps dawn or dusk—traditionally two of the strongest low-light windows for understanding fish activity.

Here is how a typical solunar day might look on paper—not tied to any single lake, but close to what you would see when planning a fishing trip around Sun & Moon data during a spring or fall outing:

• Sunrise (~6:30 AM): A reliable low-light window on its own. You launch early and fish shallow cover as light builds.
• Minor period (~7:15 AM, moonrise): Overlaps the tail end of dawn. An experienced angler stays on their best spot instead of running to a new area—the minor period adds momentum to an already favorable sunrise bite.
• Mid-morning lull (~9:00–11:30 AM): No solunar window active. You adjust tactics, cover water, or take a break. Solunar tables do not promise action every hour.
• Major period (~12:45 PM, moon overhead): The day's first major fishing time. You are positioned on a known holding area before the window opens and work it through the full two-hour period.
• Afternoon (~3:00–5:30 PM): Quiet on the solunar clock, but seasonal patterns—fall turnover, pre-spawn staging, shad movement—may still produce fish. Solunar timing is one layer, not the whole story.
• Minor period (~7:30 PM, moonset): Lines up with sunset. This overlap is often the highest-priority window of the entire day.
• Major period (~12:45 AM, moon underfoot): Falls overnight. Night anglers and catfish specialists may target it; most day-trip planners treat it as context for the following morning's forecast.

The takeaway: you do not need to fish every window. Pick the overlaps—minor period plus sunrise, major period plus stable weather, minor period plus sunset—and treat the rest of the day as opportunity, not obligation.

Solunar tables are a timing tool, not a guarantee. The anglers who get the most from them treat major and minor periods as windows to prioritize—not rules that override everything else on the water.

Best results tend to come when a major period overlaps with other favorable conditions:

• Sunrise or sunset low-light feeding
• Stable or improving weather
• Seasonal fish patterns—spawn, turnover, shad movement, winter staging
• Water conditions that already favor activity: acceptable clarity, comfortable temperature, manageable wind

Poor weather, muddy water, heavy fishing pressure, and post-frontal conditions can outweigh solunar influence entirely. A five-star solunar day in a cold front is still a cold front. Check your fishing forecast and current conditions alongside the solunar clock before you commit to a plan.

A major feeding window does not help if you are still launching the boat. Many experienced anglers try to be fishing their most productive area before a major period begins, so they are ready the moment activity increases.

Some of the best fishing happens when multiple favorable conditions line up at the same time. Examples include:

• A major period near sunrise
• A major period near sunset
• A feeding period during an approaching weather front
• A feeding period during stable seasonal patterns

When several factors point toward increased activity, confidence tends to increase as well. It is worth checking current fishing conditions alongside the solunar forecast so you can see when the two overlap.

Imagine you are deciding whether to fish Saturday or Sunday. The weather looks similar. Water conditions are nearly identical. Wind forecasts are about the same.

A stronger solunar forecast might be enough to help you choose one day over the other. In that sense, solunar tables can be a valuable planning tool even when they are not the deciding factor.

Many anglers believe the strongest bites happen when a solunar period overlaps another well-known activity trigger—especially sunrise or sunset. The idea is straightforward: two timing signals line up at once, so fish may be more likely to move and feed.

Major period + sunrise. Traditionally considered one of the best combinations of the day. Low light draws fish shallow; a major period adds a second reason to be on the water early.

Major period + sunset. Often treated the same way as dawn—fading light plus a major window can concentrate activity near cover and transition areas.

Minor period + sunrise or sunset. Shorter than a major overlap, but many anglers still prioritize these windows when moonrise or moonset falls near dawn or dusk.

Here is a simple example of how an overlap might look on a forecast:

• Sunrise: 6:15 AM
• Major period: 5:45 AM – 7:45 AM

In this case, the major period begins before legal light and runs through the first hour of daylight. Many anglers believe overlapping conditions like this are more favorable because multiple activity triggers occur at the same time—not because any single factor guarantees a bite.

Keep perspective: weather, season, water temperature, current generation, forage availability, and fishing pressure may have a greater influence on fish behavior than solunar conditions alone. Overlaps help you prioritize time on the water; they do not replace reading the lake.

"Fish only bite during major periods." False. Fish feed throughout the day. Major periods suggest stronger activity windows—they do not shut down feeding outside those hours. Many memorable catches happen during minor periods, at sunrise, or with no solunar alignment at all.

"A poor solunar day means don't fish." False. A weak solunar rating is not a cancellation notice. Weather, seasonal patterns, and water conditions matter more for most trips. Solunar data helps you prioritize windows when you can fish—not decide whether to go at all.

"Moon phase alone determines fishing success." False. Moon phase is one input. Full and new moons may boost activity for some species, but feeding periods—the major and minor times derived from lunar transit—are what solunar tables actually highlight. Phase and period work together; neither replaces water temperature, forage, or pressure.

"Solunar tables work equally well for every species." False. Predators like bass, walleye, and striped bass are popular solunar targets because they respond to low-light movement. Bottom feeders, heavily pressured trout, and species keyed to hatch timing may show weaker correlation. Match the tool to how your target species actually behaves.

That is the question every angler eventually asks, and the honest answer is that opinions vary—and scientific evidence remains mixed.

Some fishermen plan every trip around solunar periods and will not leave the dock without checking them. Others ignore them completely. Fish behavior is influenced by countless variables that are difficult to isolate in controlled studies.

Part of the disagreement comes down to how many factors shape feeding behavior at once. Weather fronts, water temperature, fishing pressure, water clarity, seasonal patterns, and changing lake levels can all influence whether fish are active. A strong solunar period can be overshadowed by a passing cold front or muddy water, and fish will sometimes feed aggressively well outside any predicted window. With so many overlapping variables, it is difficult to credit—or blame—the sun and moon alone.

What most experienced anglers agree on, however, is that solunar tables are worth paying attention to as a planning tool. They will not overcome poor conditions, bad locations, or inactive fish, but they can help identify times when fish may be more likely to move and feed. Think of them the way you think about weather and conditions forecasts or seasonal patterns—not as guarantees, but as tools.

Solunar tables will not magically make fish bite. But they can help you spend more time on the water during periods when fish are believed to be most active—the major and minor fishing times that define each day's forecast.

Whether you are targeting bass, crappie, walleye, catfish, trout, or striped bass, understanding lunar transit, moon overhead, and moon underfoot gives you another tool to plan around the best fishing times. Solunar tables are a planning aid, not a guarantee—but many anglers use them to identify fishing activity periods worth prioritizing.

Before your next trip, open your lake's Sun & Moon forecast via our lake directory or browse fishing intelligence guides for help reading conditions alongside the solunar clock. You may find that the best time to fish today is not at sunrise or sunset after all—or that a major period lining up with dawn makes an early alarm well worth setting.