Anthropic just doubled Claude’s usage limits for the next two weeks.
Yes, Anthropic just rolled out a surprise “March 2026 Usage Promotion” running from March 13 to March 27.
At first glance, it looks like a standard marketing push.
But if you actually read the fine print on the Anthropic support docs, this is not just a freebie.
It is a brilliant piece of load balancing disguised as a gift.
Because of how the time zones align, developers and everyone else in Asia and Europe just got handed a massive, structural advantage for the next two weeks ;)
Here is a breakdown of how the promotion actually works, the catch hidden in the weekly limits, and the tool to help you track it:
So, let’s talk about:
The Economics of the Promotion
Anthropic is offering a 2x increase to your standard five-hour usage limits, but only during “off-peak” hours.
They define peak hours as 8 AM to 2 PM Eastern Time (ET) on weekdays.
If you are using Claude during that window, you get your normal, standard limits.
If you use it outside of that window, or anytime on the weekend, your five-hour cap is instantly doubled.
The strategy here is obvious.
Anthropic has massive GPU clusters sitting idle while the American East Coast sleeps.
Instead of letting that compute go to waste, they are effectively offering “night and weekend” pricing to incentivize heavy users to shift their workloads.
If you are running complex agentic loops or full-repository refactors, this is exactly the window you need.
The Math Problem: Beware the Weekly Limit
Anthropic states that “bonus usage” does not count against your weekly limit.
However, developers quickly realized there is a specific order of operations to this logic.
Here is how the system actually executes the quota:
- When you start working off-peak, you begin consuming your standard 100% quota for that five-hour block. This standard usage still counts against your weekly limit.
- Once you hit that 100% threshold, the promotion kicks in. You are granted an extra 100% (the bonus usage).
- Only that second bucket of bonus usage is exempt from your weekly limit.
If you are not careful, you can easily burn through your standard weekly allocation thinking the entire session was “free.”
You have to actually push past the initial wall to get the free compute.
The Asian Advantage For Me
This brings us to the most interesting part of the update.
Anthropic based their peak hours strictly on the US East Coast.
For me sitting here in Bengaluru, India, 8 AM to 2 PM ET translates to 5:30 PM to 11:30 PM IST.
That means our entire standard workday, from the moment we wake up until the late afternoon, is considered “off-peak” by Anthropic.
We get doubled limits for our core engineering hours by default.
Stop Guessing & Use This Tracker
Converting ET peak hours to local time in your head every time you want to run a heavy script is incredibly annoying.
To fix this friction, here’s a quick website.
You just enter your local time zone, and the site instantly shows you a visual progress bar of exactly when your specific “peak” and “off-peak” windows start and end. I
t removes the guesswork so you know exactly when to trigger your heavy CI/CD evaluations or automated code reviews without getting throttled.