Business hours (9am–5pm) in each city. Where the shaded blocks line up is the sane window to talk.
Shanghai vs Weifang: 9am–5pm highlighted in each city's local time.
Hour by hour
Shanghai
Weifang
06:00
06:00
08:00
08:00
09:00
09:00
10:00
10:00
12:00
12:00
14:00
14:00
16:00
16:00
18:00
18:00
20:00
20:00
22:00
22:00
Shanghai is UTC+8; Weifang is UTC+8.
Travelling between them?
A 0-hour jump is enough to leave you wide awake at 3am for days. See jet lag from Shanghai to Weifang and the return trip for a light-and-sleep plan. Individual city clocks: Shanghai sunrise, Weifang sunset.
What is the time difference between Shanghai and Weifang?
Shanghai and Weifang are in the same time zone — there is no time difference right now.
How many hours ahead is Weifang?
Weifang is not ahead — both cities share the same time.
When is the best time to call between Shanghai and Weifang?
Look for the overlap where both cities are in normal daytime. The strip on this page highlights 9am–5pm in each — the shaded columns that line up are your window. Large gaps mean early-morning or late-night calls for one side.
Does the difference change with daylight saving?
No. Neither city's offset relative to the other changes across the year, so the difference stays constant.
Why people use Captain Wake to wake up on time
Not because it rings louder. Because it removes every way your half-asleep brain talks you back into bed.
1
There is no button to tap
Swiping an alarm away is a reflex you can perform while still asleep. A mission needs your thinking brain switched on — and once it is on, sinking back under is much harder.
2
It survives every trick
Force-quit the app, restart the phone, flip it to silent, turn the volume down. The alarm re-arms and keeps going until the mission is actually done.
3
It gets you physically upright
Photo and barcode missions are anchored to a spot in another room, so the only way to stop the noise is to stand up and walk there. You cannot pre-stage it from bed.
4
It fixes the night, not just the morning
A sleep forecast before bed, bedtime reminders and wake-up streaks — because the 6 AM problem usually starts at 1 AM.
New time zone? Your body clock needs a firmer alarm.
Captain Wake keeps ringing until you complete a real-world mission — the fastest way to anchor a new wake-up time.