The phrase "important juncture" refers to a crucial or significant point in time where a decision or action needs to be taken. It implies that the situation is at a critical point that can greatly impact the future course of events. Full definition
Graduation speeches may be directed primarily at graduates, but adults sometimes need guidance at important junctures in their lives, too. (edutopia.org)
All this requires adequate funds at important junctures in a child's life. (policybazaar.com)
Shriram Life New Akshay Nidhi Plan is a traditional participating Money - back plan which provides income at periodic intervals to take care of cash requirements at important junctures of life (policybazaar.com)