How long is the application period open?
Most US university application windows open around August 1 and stay open for 3 to 5 months depending on your deadline type: early decision or early action closes around November 1 or 15, while regular decision runs through January or mid-February.
If you are asking about US undergraduate applications, most portals like the Common App open around August 1 and stay open for 3 to 5 months, depending on which deadline you choose. Rolling admission schools may keep their window open even longer, sometimes until the incoming class fills up.
Application Window By Deadline Type
| Deadline Type | Typical Window |
|---|---|
| Early Action / Early Decision | Opens August 1, due around November 1-15 (about 3 months) |
| Regular Decision | Due between January 1 and mid-February (about 5 months) |
| Rolling Admissions | Often open year-round or until the class fills |
Before You Assume Your Deadline
- If you mean a specific job, scholarship, or graduate program, its window will follow its own separate calendar
- Confirm the exact opening and closing dates directly on your target university's admissions page
- Note both the deadline and when decisions are typically released, since these are two different windows
My Advice
Do not rely on last year's dates. Pull up the exact application portal for your target university and intake today, write both the open and close dates in your calendar, and aim to submit at least two weeks before the real deadline to leave room for document delays.
Singapore Jan or Aug 2027: Which Intake Can You Still Apply For?
Get a personalised timeline before deadlines close.
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