Know your limit.
Reset with clarity.
Turn the reset time shown by Codex into a clear local countdown, then understand what each usage window means.
RESET CLOCK
Clear notes for the next window
One search question, one focused answer—grounded in current public OpenAI guidance and honest about account-specific limits.
Codex 5-hour usage limit
What the shorter Codex allowance means, where to find its reset time, and why two tasks may consume different amounts.
Read guide →LONG WINDOWCodex weekly usage limit
A practical guide to the weekly allowance, reset timing, purchased resets, and banked resets.
Read guide →TIME CHECKWhen does Codex reset?
Use the time shown in your own Usage screen, then convert it into a clear local countdown.
Read guide →TROUBLESHOOTCodex usage limit troubleshooting
A short diagnostic path for unexpected limits, missing credits, and reset times that appear not to update.
Read guide →Reserved for a future, clearly labelled ad. No ad network is connected yet.
Your account stays yours.
The calculator runs in your browser. We do not ask for an OpenAI login, API key, usage screenshot, or payment information.
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