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Monday, June 6, 2039

Partial Lunar Eclipse

4833days
23hrs
08min
42sec

Eclipse overview

The Partial lunar eclipse on June 6, 2039 includes interactive UTC and local timeline data, city visibility details, and map-based viewing tools. The overall eclipse duration is about 4h 57m. Coverage currently includes visibility guidance for 0 cities. Lunar eclipses are visible from the night side of Earth, where the Moon is above the horizon during eclipse phases.

Visibility regions: Lunar eclipses are visible from the night side of Earth, where the Moon is above the horizon during eclipse phases.

Last updated: 2026-03-12

Type
Partial lunar
Peak (UTC)
18:53
Obscuration
93%
Umbral Magnitude
0.899
Penumbral Magnitude
1.860
Overall Duration
4h 57m
Partial Phases
3h 0m
Penumbral Phases
1h 57m
Visible Cities
0

During a partial lunar eclipse, only a portion of the Moon enters Earth's dark shadow (umbra), creating a visible bite-shaped darkening on the lunar surface.

Eclipse Timeline

StageUTC
Penumbral Eclipse begins
04:24:19 PM UTC
Jun 6
09:24:19 AM
Jun 6
Partial Eclipse begins
05:23:01 PM UTC
Jun 6
10:23:01 AM
Jun 6
Maximum Eclipse
06:53:00 PM UTC
Jun 6
11:53:00 AM
Jun 6
Partial Eclipse ends
08:23:00 PM UTC
Jun 6
01:23:00 PM
Jun 6
Penumbral Eclipse ends
09:21:42 PM UTC
Jun 6
02:21:42 PM
Jun 6

Quick Facts

Obscuration93%
Umbral Magnitude0.899
Penumbral Magnitude1.860
Overall Duration4h 57m
Duration of Partial Phases3h 0m
Duration of Penumbral Phases1h 57m
Penumbral Semi-duration2h 29m

An Eclipse Never Comes Alone

A solar eclipse always occurs about two weeks before or after a lunar eclipse.

FAQ

When is the partial lunar eclipse in UTC?

Maximum eclipse occurs at 18:53:00 UTC.

How can I check eclipse time in my local timezone?

Use the timeline and city visibility tables on this page to compare UTC and local eclipse times for your timezone and major cities.

Where is this eclipse visible?

Lunar eclipses are visible from the night side of Earth, where the Moon is above the horizon during eclipse phases.

How long does this eclipse last?

The overall eclipse duration is about 4h 57m.

What affects eclipse viewing quality?

Cloud cover, local horizon obstructions, and Moon altitude can all affect what you see. Higher Moon altitude generally improves viewing conditions for lunar eclipses.

Why is a city labeled "partial" even with very high obscuration?

Eclipse classifications in astronomy are strict: a "total" lunar eclipse means Earth's umbral shadow fully covers the Moon, while "partial" means it doesn't. The same principle applies to solar eclipses where "partial" means the Moon doesn't completely cover the Sun — even at 99.9% coverage.

What's the difference between a solar and a lunar eclipse?

In a solar eclipse, the Moon passes between the Sun and Earth, casting a small, fast-moving shadow on Earth's surface. Only people inside that narrow shadow see the eclipse, which is why solar eclipses have a "path of totality." In a lunar eclipse, Earth passes between the Sun and the Moon, casting Earth's much larger shadow onto the Moon. Because the Moon is visible to everyone on the nightside of Earth at once, there's no moving shadow across the ground — everyone in the right hemisphere sees the same eclipse at the same time.

Why is there no shadow path on a lunar eclipse map?

Unlike a solar eclipse, a lunar eclipse doesn't produce a shadow racing across Earth's surface. Instead, Earth's shadow falls on the Moon, and everyone on the nightside of Earth sees the same event simultaneously. The dashed line on the map shows where the Moon is directly overhead during the eclipse — locations along this line have the Moon highest in the sky, giving the best viewing conditions.

What does "penumbral" mean?

The penumbra is the outer, lighter part of a shadow where the light source is only partially blocked. During a penumbral lunar eclipse, the Moon passes through Earth's penumbra — the Sun is partially obscured by Earth, causing a subtle dimming of the Moon rather than the dramatic red coloring seen in a total lunar eclipse. Penumbral eclipses are often difficult to notice with the naked eye. The word comes from the Latin "paene" (almost) and "umbra" (shadow) — literally "almost shadow."

What does "umbra" mean?

The umbra is the darkest, central part of a shadow where the light source is completely blocked. During a total lunar eclipse, the Moon passes fully into Earth's umbra, causing the dramatic blood-red coloring as the only light reaching the Moon is bent and filtered through Earth's atmosphere. During a solar eclipse, the Moon's umbra is the small, dark core of its shadow — the narrow path on Earth where the Sun is completely covered. The word comes from the Latin for "shadow."

What does "totality" mean?

Totality is the phase of an eclipse where the covering body completely blocks the light source. In a total solar eclipse, totality is the awe-inspiring window — typically 1–7 minutes — when the Moon fully covers the Sun, revealing the solar corona, making stars visible in daytime, and causing a 360° sunset along the horizon. In a total lunar eclipse, totality is when the Moon is fully inside Earth's umbra and turns red or orange. Only locations directly within the path of totality (solar) or on the nightside of Earth (lunar) experience this phase.

What does "magnitude" mean for an eclipse?

Eclipse magnitude measures how much of the eclipsed body's diameter is covered at maximum eclipse. A magnitude of 1.0 means the covering body exactly matches the eclipsed body's apparent size. For solar eclipses, a magnitude greater than 1.0 produces totality; less than 1.0 produces a partial or annular eclipse. For lunar eclipses, magnitude measures how deeply the Moon enters Earth's shadow — above 1.0 means the Moon is fully inside the umbra (total eclipse). Magnitude is a dimensionless ratio of diameters, not area, so it's different from obscuration.

What does "obscuration" mean?

Obscuration is the fraction of the Sun's (or Moon's) area that is covered at any given moment, expressed as a percentage. Unlike magnitude (which measures diameter), obscuration measures the actual covered area. At 50% obscuration, half of the Sun's disk is blocked by the Moon. At 100%, the Sun is completely covered — but this only happens during totality in a total solar eclipse. In the City Visibility table, obscuration shows the maximum coverage that location will experience.

Eclipse Visibility Map

00:00 — 23:59 UTC
18:53 UTC11:53 AM UTC-7Eclipse
Visibility zones:
Entire eclipseAll partialSome partialPenumbral only
Moon high (>30°) Medium (10-30°) Low (<10°)||
How to read
Scrubber: moves eclipse in time
Darker band = stronger eclipse
Dashed line: Moon overhead track
Moon at peak eclipse
Range: 16:24 to 21:21 UTC
Peak: 18:53 UTC
|Click anywhere to check visibility

3D Globe View

Drag to rotate · Scroll to zoom
MoonEntire eclipseAll partialSome partialPenumbral only
How to read
Moon
Scrubber: moves eclipse in time
Darker band = stronger eclipse
Range: 16:24 to 21:21 UTC
Peak: 18:53 UTC
00:00 — 23:59 UTC
18:53 UTC11:53 AM UTC-7Eclipse

City Visibility

0 cities

City-level visibility data for this eclipse is being computed and will be available soon.

No city visibility data available for this eclipse.

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