Synchronous vs. Asynchronous Online Learning

Whether an online program meets live or lets you work on your own schedule shapes your week more than almost anything else on the program page. It decides whether you can study around shift work, whether a time zone difference matters, and how much contact you'll have with instructors and classmates. This guide explains the terms, shows how universities describe them, and lists the questions that get you a clear answer.

The definitions

• Synchronous learning happens in real time. You log in at a set day and hour for a live class,

usually by video, with the instructor and other students.

• Asynchronous learning has no set meeting time. You watch recorded lectures, read, post to

discussions and submit work on your own schedule — but almost always within weekly deadlines.

• Mixed programs combine the two: mostly asynchronous work with some required live sessions, or a

mix of live and self-scheduled courses.

Federal regulations allow either approach. They define distance education as instruction that supports "regular and substantive interaction between the students and the instructor or instructors, either synchronously or asynchronously." Substantive interaction must include at least two activities such as direct instruction, feedback on your coursework, answering questions about course content or facilitating a group discussion. Regular interaction means opportunities for that interaction "on a predictable and scheduled basis," with an instructor monitoring your progress and stepping in when needed.

That's the line between asynchronous online courses and correspondence courses. In a correspondence course, under the same regulations, interaction with instructors "is limited, is not regular and substantive, and is primarily initiated by the student." Asynchronous doesn't mean you're on your own.

How universities describe each format

Read the exact wording. Here is how official program pages put it.

Asynchronous

• Ball State's online business administration bachelor's: courses "are also offered asynchronously,

meaning there are no specific log-in times."

• Ball State's online MS in Nursing: "for most course work there is no specific sign-on time each

week" — note the "most."

• Boise State's online BBA: "Some courses offer optional live sessions, but every class includes an

asynchronous option."

Synchronous

• The University of North Dakota's online MBA: courses

"are each held live one evening per week 7-10 p.m. CST."

• The University of Southern Mississippi's online EdD in Educational Administration: "Your classes will

meet at the same time and on the same day each week, typically night classes."

• The University of Iowa's part-time Master of Finance: "delivered 100% online in a live, synchronous

format."

Mixed

• Auburn's RN-BSN: classes are "primarily asynchronous; however, there are required synchronous

sessions each semester."

• East Carolina's part-time online MSW: "a

mix of synchronous courses on Saturdays and asynchronous courses you complete on your time."

• Hawai'i Pacific's online MSW: "required weekly synchronous classes held via Zoom. Each course

includes a 90-minute live session."

Some requirements are easy to miss. Walden University says its MS in Clinical Mental Health Counseling "cannot be completed 100% asynchronously/online due to virtual synchronous labs and in-person field requirements." Live sessions are separate from campus visits and placements; see our guide to fully online vs. hybrid degrees for those.

Time zones

A live session is scheduled in the university's time zone, not yours. North Dakota's MBA sessions are listed as 7–10 p.m. Central; a student on the West Coast would join two hours earlier by the clock, and a student in Hawaii or abroad would see a very different hour. Practical points:

• Convert every live session to your local time before applying, including any that fall on weekends.
• Ask whether daylight saving time changes the local time for you during the program.
• Check the hours of advising and technical support, too. Norwich University lists its help desk hours

as "8:00 a.m. - 10:00 p.m. Eastern Time."

• Even asynchronous courses have deadlines tied to a clock and a time zone. Ask which one.

Pacing and term length

"Asynchronous" describes when you study during a week, not how fast you move through the program. Look at the calendar separately:

• Term length. Colorado State University Global describes "8-week courses." Boise State's online

RN-to-BS offers courses "in 5, 7, 10, and 15-week formats." A shorter term fits a course into fewer weeks, so check the weekly workload, not just the course count.

• Cohort or open schedule. Some programs move a group through a fixed course sequence; others let

you choose how many courses to take each term.

• Self-paced options. Auburn's online MBA says you "may take these courses at your own pace as long

as you complete the degree within 6 years. Typically students take one to two courses each semester." Check whether your program sets a maximum time to finish.

Full-time vs. part-time

Online programs often offer both loads, and the difference is large. University examples:

• New Mexico State's MSW: "2 years full-time (15 credits per semester); 3 years part-time (9-12

credits per semester)."

• The University of Wyoming's MPA: "Full-time students normally complete their degree in 2 years while

part-time students take approximately 3-4 years."

• Hawai'i Pacific's online MSW describes a "50+ hour weekly commitment for full-time students," with

part-time pathways available.

• Ball State's online MS in Nursing estimates "6-10 hours per week for online course work and 8-12

hours per week for clinical courses."

Some programs set rules on load. Oregon State's online MPH says you "must take at least one course per term during the academic year (fall through spring) or a minimum of 3 graduate credits." The University of Kentucky's online nursing PhD says that in the spring semester, "we only admit part-time students." Completion times on program pages ("as few as three semesters") describe a minimum under specific conditions, not a typical outcome.

Questions to ask before you enroll

• Are any live sessions required? How many, on which days, at what time, and in which time zone?
• Are live sessions recorded if you have to miss one, and does attendance affect your grade?
• How long are terms, and how many courses do full-time and part-time students take at once?
• When are weekly deadlines, and how quickly do instructors usually respond?
• Is there a maximum time to finish the degree?

Write the answers down for each program and set them side by side; our compare tool helps with the programs in our directory. For the rest of the decision, use our checklist for choosing an online university.