⌛

Text style

Emoji style

⌛︎

⌛️

Text style is forced with ⟨︎⟩ and emoji style with ⟨️⟩.

⌛	U+231B, ⌛ HOURGLASS

Character variations

Text style

Emoji style

⏳︎

⏳️

Text style is forced with ⟨︎⟩ and emoji style with ⟨️⟩.

⏳	U+23F3, ⏳ HOURGLASS WITH FLOWING SAND

⧖	U+29D6, ⧖ WHITE HOURGLASS

⧗	U+29D7, ⧗ BLACK HOURGLASS

🝮	U+1F76E, 🝮 ALCHEMICAL SYMBOL FOR HOUR

Translingual

⌛︎

Indicates the passage of time.
- 2005, "Pateta Faz História Como Arquimedes", Almanaque Disney #372 (Disney comic), Editora Abril, Brazil, page 18
  [An hourglass appears besides this text, illustrating the passage of time. Archi (Goofy) is shown as a child, and then years later as an adult.]
  "Anos depois, Árqui enfim completou sua formação!"
  "Years later, Archi completed his education at last!"
(graphical user interface) Indicates that the current application is busy performing an operation.
- 2011, "Slam Dunk", season 3, episode 7 of Regular Show
  Rigby: You can't even [create a website] right now, anyway. Muscle Man has the computer for the whole day.
  
  […]
  
  Mordecai: He's not even here. He's playing basketball. […] You snooze, you lose. I'm sure this will only take a second anyways.
  
  [Mordecai turns on the computer, and an hourglass appears on the screen while the computer is booting.]
(only ⧖) (computing, dated) ISO 2047 symbol for Cancel
(alchemy, archaic) an hour. Dedicated Unicode character ⟨🝮⟩. May occur with or without a cross-bar at the waist. Lobes may be triangular or cordiform, or the design may be a more elaborate pictogram.