What's actually happening
A Last Quarter Moon occurs when the Moon is ninety degrees behind the Sun in the zodiac — a waning square. The Moon is half-lit, now diminishing rather than growing.
For a Last Quarter in Aquarius, the Moon is in Aquarius while the Sun is in Taurus. The tension is between the detached, collective quality of the Moon and the embodied, material quality of the Sun.
What the tradition makes of it
The Last Quarter is a "crisis of consciousness" — the recognition of what was genuinely learned in the cycle and what must be let go. Aquarius brings the collective dimension and the capacity for detachment to that moment of release. What is released is the personal investment in the collective outcome: the contribution was made, the group work was done, and the result belongs to the group rather than to the individual who worked toward it.
The detachment Aquarius offers at this phase is not coldness. It is the appropriate stance of someone who has given what they had to give and is willing to allow the outcome to be what it is.
How to actually use it
Complete the contributions you have made to shared projects or community work in this cycle and release the attachment to how they are received or used. Acknowledge what was genuinely contributed and allow the collective to determine what it produces.
When in doubt
Ask what you contributed to the collective during this cycle — and whether you have released it enough to allow the group to do what it will with it.