Empty clock lid with drop. Plexiglas cover of clockwork with metal knob and dial with lots of water drops, concept passing

Water drop

Water drop

Sand watch

Hourglass with blue sand and top view

Modern hourglass with sand color background, as time passing concept for business deadline, urgency and running out of time

Lightbulb in water

Hour glass

Hourglass closeup shot

A sandglass, modern hourglass or egg timer with shadow showing the last second or last minute or time out.

Glass hourglass with blue sand isolated on white background

Hourglass clock

Nature in Hourglass

World And Time

End of times on hourglass closeup

Detail of light bulb on green background

Newly turned hourglass with running sand

Hour glass

Hour glass closeup

Hourglass time passing

Hourglass

Close view of sand hourglass.

Hourglass

Earth in Broken Hourglass. Earth image NASA

Crystal Ball

Globe made of glass