ˈtime lag (also ˈtime lapse) noun [countable]
the period of time between two connected events:
There is generally a two-year time lag in the information being made available.

[TahlilGaran] Dictionary of Contemporary English ▲

ˈtime-lapse adjective
[only before noun] time-lapse photography involves taking many pictures of something over a period of time and then showing them together, so that a very slow process seems to happen much faster

[TahlilGaran] Dictionary of Contemporary English ▲