Macau Jet Lag Calculator

Jet lag into Macau scales with one number: |home offset − 8|. From London the shift to Macau is 8 hours eastward; New York faces 13; Tokyo 1; Sydney 2. A gap this wide puts Macau on the wrong side of the day from your home evening.

Do nothing, and Macau (UTC+8) takes a week to accept. Manage light and sleep on purpose in Macau and it is about 8 days. Reference frame for Macau: Macau keeps UTC+8 and sits 6 m above sea level in East Asia, with that same offset in every season.

Direction changes the bill: flying to Macau eastward from London costs about 8 days of recovery. The westward routing to Macau costs only 5.3 — the body clock delays to Macau more easily than it advances. Sip an extra 500 ml of water for every 3 hours in the air to Macau; cabin air on the 8-hour Macau run is drier than most deserts.

Move 30–60 minutes daily toward Macau time (UTC+8) for 3–4 days pre-flight. Keep the Macau flight alcohol-free. Treat the cabin as a preview of Macau time rather than home time.

Applied to this East Asia trip: 8 hours east from London to Macau maps to about 8 reset days, so a Macau itinerary should front-load outdoor time on days one to 8.

Near-4am wakings are part of night one in Macau (6 m, UTC+8); stay dark and still, skip the clock-checking, and Macau nights settle by the third. The Macau sleep kit for Macau at 6 m: an eye mask, earplugs, curtains closed against the early sunrise, and a room held near 16–20°C. For shifts over six hours — into Macau, that means the 8-hour London gap — 0.5–3 mg of melatonin at Macau bedtime (UTC+8) pulls the clock faster in 3–4 nights.

Clear Macau dosing with a clinician first. Practical baseline: lights out in a dark 16–20°C Macau room (6 m, UTC+8), and no evening alcohol for the first two nights while the Macau clock settles.