A clock for DeepSeek's time-of-day pricing

DeepSeek moved its API rates to time-of-day pricing with the V4 Pro release. The cheap hours cost exactly half of the expensive ones, and the boundaries are fixed in UTC. Anywhere else in the world that means converting in your head every single time, so I built a DeepSeek peak/off-peak pricing clock page that shows which half of the day I'm in right now.

It looks like this during the off-peak time:

DeepSeek off-peak pricing clock

And then looks like this during the peak time:

DeepSeek peak pricing clock

By the way, you can check the clock here.

The page shows whether it's cheap or expensive right now, how long the window lasts, when it flips next in local time, and what both models cost either way. In IST the cheap stretch runs from 3:30 PM to 6:30 AM, with expensive blocks at 6:30–9:30 AM and 11:30 AM–3:30 PM.

I queue my non-urgent jobs during the cheap half and the bill drops by 50%. I've been running V4 Pro as my daily model since an earlier note, so the clock has been earning its keep. The rates come straight from the official pricing page.