The COBRA 60-Day Election Window Often Starts Later Than People Assume
Losing job-based health coverage is stressful enough without also having to reverse-engineer a federal deadline. Most people assume the COBRA clock starts the day their coverage ends. It doesn't — and getting that one detail wrong is the most common way someone accidentally lets their COBRA election right expire.
Day zero is whichever comes later
Under ERISA, a qualified beneficiary has 60 days to elect COBRA continuation coverage, but that 60-day count starts on whichever comes later: the date coverage actually ends, or the date the plan administrator mails the required election notice. Employers and third-party administrators do not always send that notice on the day coverage ends — delays of a week or two are common, and some notices go out even later than that. Every day of delay in sending the notice is a day added to the real deadline, not lost from it.
This matters because plenty of people, on hearing "60 days from when your coverage ended," start counting from the wrong date and believe their window has closed when it actually hasn't — or worse, assume they still have time when the notice went out promptly and the window is closing fast.
Calendar days, not business days
The 60-day count includes weekends and holidays. There's no rounding up to the next business day and no grace period for a deadline that happens to land on a Sunday. If the 60th day is a holiday, the deadline is still the 60th day — treat the math literally.
Electing is only step one — the premium deadline is separate
Electing COBRA within the 60-day window secures the right to continue coverage, but it does not by itself pay for anything. A second clock starts once you elect: the first premium payment is due within 45 days of the election date, not 45 days from when coverage originally ended. Electing on day 58 of the 60-day window is still timely, but it compresses the runway to actually assemble that first payment — often a lump sum covering the retroactive period back to the coverage-loss date, since COBRA coverage is applied retroactively once elected.
After that first payment, every subsequent monthly premium carries its own 30-day grace period from its due date. Missing that grace period on any single month can terminate coverage for good, with no COBRA reinstatement right.
Employers cannot shorten any of these windows
None of these deadlines — the 60-day election window, the 45-day first-payment window, or the 30-day monthly grace period — can be shortened by an employer or plan. They're statutory floors. What plans can do is send the notice late, which (as above) works in the beneficiary's favor by delaying the start of the 60-day clock rather than eating into it.
Run the actual dates
The COBRA Election Deadline Calculator takes your coverage-loss date and the date you actually received the election notice, takes the later of the two as day zero, and projects both the 60-day election deadline and the 45-day first-premium deadline that follows an election. If you're staring down a recent layoff and trying to figure out exactly how much runway you have left, run both dates rather than guessing from memory — a few days of miscounting is the difference between a valid election and a lost right to coverage.