it's high time// it's about time .. ???

[julianna]

hello, would you help me please with those two sentences ?
-It's high time we organised ourselves into an anti corruption association.
-It's about time we fought polluton .

what do we mean by (it's high time- it's about time) ?:up:

 

[euncu]

This issue has been discussed before on this forums, please check the link below;

https://www.usingenglish.com/forum/ask-teacher/124433-its-high-time-you-chose.html