4 answers
Joseph
Student
Liverpool, England, United Kingdom
2
Questions
Asked
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Is 50% of a standard work week sufficient for a part-time PhD?
I'm starting out on a part-time employer-sponsored PhD after spending a few years in industry. My employer has given me 50% of my usual work-week time - ie about 19 hours a week (flexibly scheduled to suit me, not a strict pattern)- to work on the PhD research work, with the expectation that the PhD is spread over double the full-time number of years. I know PhDs have a reputation for long hours - although I don't know to what extent this reflects the workload coming in fits-and-starts vs a steady workload; how much is down to poor student time management leading things to be packed in last-minute, and how much this reflects the workload *actually* being higher.
Averaged over a year, how many hours a week is typically actually needed for a PhD? Is my work allocation enough, or do I necessarily need to put in outside-of-work hours to ensure I complete in time? If so, roughly by how much should I expect to need to put in?
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4 answers
Karin P.
Lecturer, Academic Advisor, Career Coach, Mentor
1228
Answers
Göttingen, Lower Saxony, Germany
Updated
Karin’s Answer
Hi Joseph,
How much time you need to commit for a PhD (and how flexible that time commitment is) depends a lot on the field and also on your supervisor. STEM majors tend to have a much higher time commitment than e.g. humanities. Many STEM topics are also much less flexible because you need to make best use of e.g. instrument time or suitable seasons for field work.
The time commitment also depends what you want to do with the degree: Do you just need a title for further promotion in industry? Or do you want a career in academia? In the first case you might just be interested to get through with as little difficulty as possible. In the latter case you may want a challenging topic that can lead to many publications and form the foundation of your future career as a researcher.
There is no one-size-fits-all to this. I would recommend that you have some frank discussions with prospective supervisors so you are on the same page with regards to expectations. A supervisor in a competitive program at a very research-intensive university will probably expect a much higher time-commitment than someone at a lower tier institution. Someone with supervising experience and a track-record of getting students graduated on time might be better suited to make sure the topic is well defined and doable.
Time management is certainly also a factor. Being a more mature student with industry experience can be a big advantage there.
I hope this helps! All the best to you!
KP
How much time you need to commit for a PhD (and how flexible that time commitment is) depends a lot on the field and also on your supervisor. STEM majors tend to have a much higher time commitment than e.g. humanities. Many STEM topics are also much less flexible because you need to make best use of e.g. instrument time or suitable seasons for field work.
The time commitment also depends what you want to do with the degree: Do you just need a title for further promotion in industry? Or do you want a career in academia? In the first case you might just be interested to get through with as little difficulty as possible. In the latter case you may want a challenging topic that can lead to many publications and form the foundation of your future career as a researcher.
There is no one-size-fits-all to this. I would recommend that you have some frank discussions with prospective supervisors so you are on the same page with regards to expectations. A supervisor in a competitive program at a very research-intensive university will probably expect a much higher time-commitment than someone at a lower tier institution. Someone with supervising experience and a track-record of getting students graduated on time might be better suited to make sure the topic is well defined and doable.
Time management is certainly also a factor. Being a more mature student with industry experience can be a big advantage there.
I hope this helps! All the best to you!
KP
Thanks for the answer - I figured probably "it depends" is a fair assessment. I'm in physics, and at a fairly good university with a good reputation for the subject, so imagine it will be on the higher end from that perspective. In terms of motivation, it's partly needing the title for advancement, but also about building research skills - not strictly for a future in academia, but certainly for tackling research projects in industry - so I'm partly looking to get through the process without too much hassle, but also aiming to upskill in all the right areas too.
Joseph
Will your thesis topic be directly related to your work in industry, or maybe even co-supervised in your company?
Karin P.
Thanks Karin - yes, the topic is directly related to the industry work, just in a more research direction than operations; and yes, co-supervised within the company.
Joseph
Will Razen
Software Engineer
3
Answers
São Paulo, Brazil
Updated
Will’s Answer
Something to consider is that your life will probably change a lot as time passses. If you tie your PhD topic to your current job, and your job changes (be it in the same company or another), you may want to change topics later. If you change companies, your current manager changes, or if they simply change their minds, you may lose the 19 hours/week. If you decide to buy an apartment, move cities, marry, have kids, or anything else that people do as they live, you may need more money and/or time, and your current setup may not be suitable anymore.
It happened to me: I started a PhD program (in a special unenrolled mode, so that time would not count) while working at a job that was not very demanding. I could work only 32h/week, have a full day for doing PhD classes, and had plenty of time at night and during the weekends for studying and researching. It was very demanding, but I managed to do it for 2-3 years. A few big life changes later (job change, marriage, incoming kid, etc.), and I had to pause the PhD. Eventually all progress I had made expired.
Do I regret trying to do a PhD and then giving up? No, because I had chosen a topic that I liked a lot, my advisor was great, I could do most of it from home, and I learned a bunch. Totally worth the time invested. And I don't regret letting life get in the way either.
If you really really REALLY want the PhD title and soon, e.g. because certain careers will only unlock for you with it, you don't have too many life obligations yet, and you have a safety net (e.g. lives with parents, has low living costs, has passive income), then I suggest you drop everything and do the PhD asap. Focus completely on your topic, and avoid side hustles like teaching. Do it in 2-3 years, full time. Accept that the rest of your life will stagnate for a while.
Or, if the title is not as important as the learning, do what I did: start it, enjoy the ride, and don't be afraid to drop if/when your priorities change.
It happened to me: I started a PhD program (in a special unenrolled mode, so that time would not count) while working at a job that was not very demanding. I could work only 32h/week, have a full day for doing PhD classes, and had plenty of time at night and during the weekends for studying and researching. It was very demanding, but I managed to do it for 2-3 years. A few big life changes later (job change, marriage, incoming kid, etc.), and I had to pause the PhD. Eventually all progress I had made expired.
Do I regret trying to do a PhD and then giving up? No, because I had chosen a topic that I liked a lot, my advisor was great, I could do most of it from home, and I learned a bunch. Totally worth the time invested. And I don't regret letting life get in the way either.
If you really really REALLY want the PhD title and soon, e.g. because certain careers will only unlock for you with it, you don't have too many life obligations yet, and you have a safety net (e.g. lives with parents, has low living costs, has passive income), then I suggest you drop everything and do the PhD asap. Focus completely on your topic, and avoid side hustles like teaching. Do it in 2-3 years, full time. Accept that the rest of your life will stagnate for a while.
Or, if the title is not as important as the learning, do what I did: start it, enjoy the ride, and don't be afraid to drop if/when your priorities change.
Thanks. We have structured it as a formal commitment, so changes at work shouldn't impact the hours, but nothing is ever 100%, indeed.
I'm comfortable making the commitment to stay where I am to complete the PhD, even if life throws a few curveballs.
I did consider dropping out of work to go full-time PhD, but with my broader situation, that wouldn't really be practical - part- time is really the only way it can work for me.
Joseph
Anuj Gupta
Software Engineering
317
Answers
Bengaluru, Karnataka, India
Updated
Anuj’s Answer
Yes, 19 hours a week is mathematically sufficient for a part-time PhD, but you should expect to occasionally dip into your personal time to cross the finish line.
A standard full-time PhD is designed around a 35 to 40-hour work week. By allocating 19 hours flexibly across double the years, your employer has given you a highly realistic and generous foundation.
Here is the genuine reality check on how those hours actually translate in practice:
1. Where the "Long Hours" Reputation Comes From
The horror stories of 60+ hour PhD weeks are real, but they usually stem from specific factors rather than a steady, mandatory baseline:
The "Fits and Starts" Reality: Research doesn't move linearly. You might spend three weeks waiting for a script to run or an approval to clear (working 5 hours a week), followed by a chaotic fortnight before a major conference deadline or laboratory trial (working 50 hours a week).
The Efficiency Trap: Many full-time students treat the lab or office as a social hub. Due to poor time management, lack of industry project-management skills, or unstructured days, hours expand to fill the time available. Coming from industry, your ability to treat research like a structured job will save you hundreds of hours.
2. Is 19 Hours Strictly Enough?
Averaged strictly over a calendar year, 17 to 20 hours is exactly what a part-time PhD requires. However, your 19-hour allocation will feel like "just enough" during the middle years, but tight during two specific phases:
The Coursework/Literature Review Phase (Year 1-2): Balancing dense foundational readings or mandatory academic modules while keeping up with a 50% workload at your job takes serious mental switching.
The "Write-Up" Phase (Final Year): Compiling a 50,000 to 80,000-word thesis or formatting journal publications is a massive administrative and cognitive burden.
3. How Much Outside Work Should You Expect?
To maintain a healthy work-life balance and complete on time, expect to supplement your employer's time with roughly 3 to 5 hours of your own time per week during peak periods (e.g., writing papers or preparing for annual reviews).
The Golden Strategy: Do not spread your 19 hours into tiny 2 or 3-hour fragments across the week. Context-switching between industry work and academic depth is highly inefficient. Instead, bundle your time into two full, uninterrupted "PhD Days" a week. This allows your brain to enter the deep-focus zone required for high-level research.
A standard full-time PhD is designed around a 35 to 40-hour work week. By allocating 19 hours flexibly across double the years, your employer has given you a highly realistic and generous foundation.
Here is the genuine reality check on how those hours actually translate in practice:
1. Where the "Long Hours" Reputation Comes From
The horror stories of 60+ hour PhD weeks are real, but they usually stem from specific factors rather than a steady, mandatory baseline:
The "Fits and Starts" Reality: Research doesn't move linearly. You might spend three weeks waiting for a script to run or an approval to clear (working 5 hours a week), followed by a chaotic fortnight before a major conference deadline or laboratory trial (working 50 hours a week).
The Efficiency Trap: Many full-time students treat the lab or office as a social hub. Due to poor time management, lack of industry project-management skills, or unstructured days, hours expand to fill the time available. Coming from industry, your ability to treat research like a structured job will save you hundreds of hours.
2. Is 19 Hours Strictly Enough?
Averaged strictly over a calendar year, 17 to 20 hours is exactly what a part-time PhD requires. However, your 19-hour allocation will feel like "just enough" during the middle years, but tight during two specific phases:
The Coursework/Literature Review Phase (Year 1-2): Balancing dense foundational readings or mandatory academic modules while keeping up with a 50% workload at your job takes serious mental switching.
The "Write-Up" Phase (Final Year): Compiling a 50,000 to 80,000-word thesis or formatting journal publications is a massive administrative and cognitive burden.
3. How Much Outside Work Should You Expect?
To maintain a healthy work-life balance and complete on time, expect to supplement your employer's time with roughly 3 to 5 hours of your own time per week during peak periods (e.g., writing papers or preparing for annual reviews).
The Golden Strategy: Do not spread your 19 hours into tiny 2 or 3-hour fragments across the week. Context-switching between industry work and academic depth is highly inefficient. Instead, bundle your time into two full, uninterrupted "PhD Days" a week. This allows your brain to enter the deep-focus zone required for high-level research.
Thanks - this makes sense and largely matches my own feelings about workload.
Although I always find it hard to tell with answers like this - when it stylistically reads like raw LLM output, I never know how much of the answer reflects genuine experience and knowledge that went into the prompt, and how much is the AI filling in - as that's often sycophantism or hallucinations as much as it's useful info.
Could you clue me into the proportions of you here?
Joseph
Anuj Gupta
Software Engineering
317
Answers
Bengaluru, Karnataka, India
Updated
Anuj’s Answer
Build a simple portfolio of work samples even before you have a job. Projects, case studies, writing samples, or code repositories demonstrate skills far more effectively than a degree or resume alone.