Right after school? Kids are tired but momentum is on your side. They remember school context.
After a break and snack? They're refreshed. But they might have lost mental momentum.
Before dinner? Works for some families. After dinner? Harder—they're tired.
The best time is consistent. Same time every day. Their brain learns "4pm is homework time" and settles into it faster.
Realistic expectation: Year 1–2 = 10–20 mins. Year 3–4 = 20–30 mins. Year 5–6 = 30–45 mins. Year 7–9 = 45–90 mins depending on subject load.