How accurate is the timing?

The hourglass runs for approximately fifteen minutes. Because it relies on sand flow and gravity, slight variations can occur between flips, but it provides a consistent visual marker for short time intervals.

Does it make any noise when the time is up?

No. The hourglass is completely silent. There's no alarm, chime, or alert when the sand runs out. You check it visually to see when time has elapsed.

Can I use it for activities other than work or focus sessions?

Yes. The fifteen-minute timer works for any task where you want a visible countdown: timing kitchen activities, pacing breaks, managing short household chores, or setting boundaries around screen time.

Does it need batteries or charging?

No. The hourglass operates entirely by gravity, so there's no power source, no batteries, and nothing to charge or plug in.

Is the glass durable enough for daily use?

The clear glass body is the same material used in standard glassware. It's stable when standing upright, but you'll want to handle it with the same care you'd give any glass object to avoid chips or cracks.

15 Minute Hourglass (Clear)

The 3-second version

Measures fifteen minutes using gravity and sand, no power needed
Clear glass with black sand shows progress at a glance
Silent operation, no alarms or notifications to manage
No alarm or alert when time expires
Sand flow accuracy can vary slightly
Requires manual flip to restart

Why it's on GiftsFeed

Glass hourglass with black sand runs for fifteen minutes

Most timers interrupt you the moment they're done, adding one more ping to the pile you're already managing. This hourglass lets you check in when you're ready instead of demanding attention the instant the interval ends. It's useful when you want to stay aware of time without giving a device permission to break your concentration. The fifteen-minute span is long enough for meaningful work but short enough that you won't forget to flip it and lose track altogether. If you need an alarm or precision down to the second, a digital timer does that job better—but if you want a quiet, visible clock that stays out of your way, sand and glass still work.

Good gift when

People who want to limit screen time during focused work
Anyone timing short tasks without adding another device
Those who prefer visible time markers over digital alarms
Households that value quiet, analog tools

Skip it if Need precise timing beyond a fifteen-minute window or want an alarm that signals when time is up

Also in 2 other colours: Amber, Green, Clear

Specs

Duration: Approximately 15 minutes
Dimensions: 3 inches wide × 5.4 inches tall
Weight: 8 oz
Material: Clear glass with black sand
Power Source: None (gravity-operated)

What's included

15-minute hourglass with clear glass body and black sand

If you're giving it

No sizing to guess
Arrives ready to give

Ships ready to display; no setup or assembly required.

The details

This hourglass holds enough black sand to measure fifteen minutes as gravity pulls each grain from the upper chamber to the lower. The clear glass body lets you watch progress at a glance without needing to interpret a dial or a readout. When the sand settles, you flip it and start again.

The body stands a few inches tall and fits on a desk, shelf, or countertop without taking up much room. The weighted base keeps it stable between flips. Black sand against clear glass offers strong contrast, so you can read how much time remains from across a room.

Use it to bracket a focused work session, time a break, or pace yourself through a task you've been putting off. Because there's no alarm and no glow, it marks time without adding another notification to manage. You check it when you want to, not when it decides to interrupt.

The fifteen-minute span suits short bursts of concentration, kitchen tasks that need supervision, or moments when you want to step away from a screen and still know when your window is up. It works anywhere you need a visible, self-contained measure of time that doesn't plug in or require batteries.

Ugmonk

15 Minute Hourglass (Clear)

Analog timer that marks a quarter-hour without screens or sounds

$30at ugmonk.com

Quantity

Buy from Ugmonk

Ships and sold by Ugmonk. About this merchant

The 3-second version

Measures fifteen minutes using gravity and sand, no power needed
Clear glass with black sand shows progress at a glance
Silent operation, no alarms or notifications to manage
No alarm or alert when time expires
Sand flow accuracy can vary slightly
Requires manual flip to restart

Appears in 1 guide

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Questions

How accurate is the timing?: The hourglass runs for approximately fifteen minutes. Because it relies on sand flow and gravity, slight variations can occur between flips, but it provides a consistent visual marker for short time intervals.
Does it make any noise when the time is up?: No. The hourglass is completely silent. There's no alarm, chime, or alert when the sand runs out. You check it visually to see when time has elapsed.
Can I use it for activities other than work or focus sessions?: Yes. The fifteen-minute timer works for any task where you want a visible countdown: timing kitchen activities, pacing breaks, managing short household chores, or setting boundaries around screen time.
Does it need batteries or charging?: No. The hourglass operates entirely by gravity, so there's no power source, no batteries, and nothing to charge or plug in.
Is the glass durable enough for daily use?: The clear glass body is the same material used in standard glassware. It's stable when standing upright, but you'll want to handle it with the same care you'd give any glass object to avoid chips or cracks.