16:8 vs 18:6 fasting: which schedule actually suits you?Both are time-restricted eating windows, but they ask different things of your day. Here is how 16:8 and 18:6 compare in practice, and how to choose without guessing.Time-restricted eating gets described as if the numbers are the whole story. They are not. The difference between 16:8 and 18:6 is two hours of eating window — but in daily life those two hours change when you eat with other people, how you train, and how likely you are to keep going past week three.What the numbers mean

16:8 — you eat within an 8-hour window and fast for the other 16. A common pattern is eating between 12pm and 8pm.

18:6 — a 6-hour eating window, often 1pm to 7pm. Two more fasted hours per day than 16:8.

Neither number is magic. They are simply schedules that make a daily eating window explicit.Where 16:8 tends to win

You eat dinner with family or partners on a normal schedule.

You train in the evening and want a post-workout meal inside the window.

You are new to fasting and want a schedule you can hold for months, not days.

Where 18:6 tends to win

You naturally skip breakfast and are not hungry until midday.

You want a slightly longer fasted period without moving to 20:4 or OMAD.

Your evenings are consistent, so a 7pm cut-off is realistic rather than aspirational.

The adherence testThe schedule you can repeat beats the schedule that looks better on paper. Before committing, ask three questions:

Can I hold this window on my two busiest days of the week?

Does it leave room for at least one shared meal?

Will I still want to do it in six weeks?

If any answer is no, widen the window rather than abandoning the practice.How to decide with your own dataRun each schedule for two weeks and log the same things both times: completed fasts, energy, sleep duration and mood. In Quies these sit on the same daily record, so you can look back at a fortnight of 16:8 next to a fortnight of 18:6 and see which one you actually completed — not which one you intended to.A schedule you finish 12 days out of 14 is doing more for you than one you finish 6 days out of 14.A note on safetyTime-restricted eating is not appropriate for everyone. If you are pregnant or breastfeeding, under 18, managing diabetes or an eating disorder, or taking medication that requires food, talk to your doctor before changing your eating pattern. Quies is a logbook, not medical advice.More from the Quies Journal · Quies home