Riddle: What runs around the clock but never leaves the room?

Riddle

i-am-the-future-but-also-the-past-always-moving-yet

Riddle

i-have-no-beginning-but-i-grow-with-you-im-always

Riddle

i-grow-older-and-wiser-every-day-but-never-appear-in-a

Riddle

i-have-a-face-but-can-never-frown-i-count-seconds-but

Riddle

i-can-tell-you-how-heavy-you-are-or-how-long-your-trip