How Many Breaks in a 12-Hour Shift in Illinois by Law?

On a 12-hour shift in Illinois, you’re entitled to two unpaid 20-minute meal breaks under the One Day Rest in Seven Act (ODRISA). The first must begin no later than five hours after you start work, and the second is triggered by the additional 4.5 hours of continuous work beyond the initial 7.5-hour threshold. That’s how many breaks a 12-hour shift in Illinois requires by law. Shorter rest breaks aren’t required, but if your employer offers them, federal law says they must be paid.

When Each Break Must Happen

ODRISA sets a hard deadline for the first break: it has to start within five hours of your clock-in time. Start at 6:00 a.m. and the break needs to begin by 11:00 a.m. at the latest.¹

The second break is defined by intervals rather than a clock time. The statute adds a 20-minute meal period for every additional 4.5 continuous hours worked beyond 7.5 hours. On a 12-hour shift, that comes out to one more break, scheduled roughly 4 to 4.5 hours after the first one ends. An employer who pushes the second meal period to the last hour of the shift is not following the intent of the statute, and that’s worth writing down if it happens.¹

Are the Breaks Paid

The two 20-minute meal breaks are generally unpaid, but only when your employer fully relieves you of duties for the whole break. If you’re answering phones, watching a monitor, or otherwise tethered to your post, that time is compensable and must be paid.

Illinois law doesn’t require shorter 10- or 15-minute rest breaks. Plenty of employers offer them anyway, and when they do, the federal rule applies: the U.S. Department of Labor treats any break under 20 minutes as paid work time that counts toward your weekly hours for overtime purposes.²

Restroom Time Doesn’t Count

ODRISA is explicit that restroom time is separate from your meal period. Spend five minutes of a 20-minute break in the restroom and your employer still owes you the full 20 minutes to eat.¹

Federal OSHA sanitation rules also require employers to let workers use the restroom when needed, without unreasonable restrictions or delays. There’s no set number of restroom breaks per shift, but a policy that effectively prevents you from going is not permitted.³

Who Doesn’t Get These Meal Breaks

The exemptions from ODRISA’s meal break requirement are narrower than most people expect. Only three groups are excluded:

Union employees whose collective bargaining agreement specifically addresses meal periods. If the agreement is silent on breaks, ODRISA still applies.⁴
Caregivers monitoring individuals with developmental disabilities or mental illness, who must remain on call across an 8-hour period but are allowed to eat while monitoring.
Private-sector EMS workers licensed under the Emergency Medical Services Systems Act who are on call during an 8-hour period and aren’t employed by a local government. They can also eat while on call.¹

You may see references to exemptions for part-time workers, executives, administrators, and certain professionals. Those apply to ODRISA’s separate day-of-rest requirement, not to meal breaks. A salaried manager on a 12-hour shift is entitled to the same two meal periods as anyone else unless they fit one of the three categories above.

Stronger Rules for Workers Under 16

Illinois child labor law provides stricter protection for minors. Workers under 16 must receive a 30-minute meal break for every five hours worked. That’s a longer break, triggered sooner than the adult standard. A teenager working a long summer shift is covered by the child labor rule rather than the adult ODRISA baseline.

Break Time for Nursing Employees

The federal PUMP for Nursing Mothers Act layers additional break rights on top of ODRISA and matters most on long shifts. For one year after a child’s birth, your employer must provide reasonable break time whenever you need to express milk, along with a private space that isn’t a bathroom, shielded from view, and free from intrusion.⁵

Pumping breaks can be unpaid, but only if you’re fully relieved of duties. If you pump during an otherwise paid break, that time stays paid. Employers with fewer than 50 employees can claim an undue-hardship exemption based on their size and resources.⁵

What to Do if Your Employer Skips Your Breaks

Keep a written record every time it happens. Note the date, your shift start and end times, and whether the break was denied outright or shortened. That documentation is what any complaint will rest on.

Raising it with your supervisor or HR is often the fastest fix, especially if the issue is a scheduling oversight. You’re not required to go through internal channels first, though. You can file a workplace complaint directly with the Illinois Department of Labor, which will investigate.⁶

Each day of missed breaks counts as a separate offense, and penalties scale with employer size. Employers with fewer than 25 workers face up to $250 per offense to the Department plus up to $250 in damages to the employee; employers with 25 or more face up to $500 in each category.⁷

One more thing worth checking on your way out: employers are required to post ODRISA’s requirements somewhere visible at the workplace. A missing notice is itself a violation and can be included in your complaint.⁴

1
Illinois General Assembly. Illinois Code 820 ILCS 140 – One Day Rest in Seven Act
2
U.S. Department of Labor. Breaks and Meal Periods
3
eCFR. 29 CFR 1910.141 – Sanitation
4
Illinois Department of Labor. ODRISA Amendment Updates Effective January 1, 2023
5
Office of the Law Revision Counsel. 29 USC 218d – Reasonable Break Time for Nursing Mothers
6
Illinois Department of Labor. File a Workplace Complaint
7
Illinois General Assembly. Illinois Code 820 ILCS 140/7 – Penalties