Table of Contents
- One-day leave application example
- One-day leave application samples
- How to write a one-day leave application for office?
- One-day leave application templates
- Things to remember to get leave request approved
- FAQs
Writing a one-day leave application before taking a day off from work is a common practice that has been around for years. Although the medium has changed from the traditional paper to the modern digital format, the content of the application remains more or less the same.
Are you planning to take one-day leave from work for personal reasons? Make sure to inform your boss and colleagues beforehand by writing a leave application so as to avoid any complications at work.
In this blog, you will learn how to write a leave application for one day with simple samples and helpful tips for quick approval.

One-day leave application example
Here is a simple and professional one-day leave application example in image form that you can easily refer to while writing your own:

One-day leave application samples
Take a look at these one-day leave application samples for reference. You can use them to write a simple leave request email to manager in just a few minutes.
1. One-day leave application for medical reason (sick leave for headache)
2. One-day leave application for urgent work
3. One-day leave application for personal reason
4. One-day leave application due for emergency
5. One-day leave application for family function
Sample 1: One-day leave application for medical reason (sick leave for headache)
Here is a one-day leave application for headache that you can use to request a sick leave.
Subject: Sick Leave Application for a Day
Dear Mr./Mrs. {Recipient’s Name},
I am writing this email to inform you that I will not be able to come to work tomorrow as I have a severe bout of a migraine headache.
Taking a day from work and resting will help me overcome this and get back to a normal routine the next day. Kindly grant me leave for a day on {date}. In case, I need to take extra days to recuperate, I will inform you at the earliest.
Please feel free to contact me at my personal phone number in case of any questions or clarifications about ongoing work at the office.
Sincerely,
{Name}
Sample 2: One-day leave application for urgent work
Use this when you need a quick leave request email to manager due to an urgent personal task that cannot be delayed.
Subject: Leave Application for a Day
Hi {Recipient’s Name},
Please treat this email as an application for leave. I would like to inform you that I require a day of absence on {date and month}. I need to visit the bank in my hometown for some personal work, and I need to travel there as soon as possible. Clubbing my leave with the weekend enables me to get this done easily and be back by the following Monday morning.
I am including the work plan for the day I will be taking an off to make it easier for you. Please feel free to contact me at my personal number in case of any questions or clarifications.
Sincerely,
{Name}
Sample 3: One-day leave application for personal reason
This is a one-day leave application for office for personal reason when you need time for important personal work.
Subject: Leave Application for a Day
Dear {Recipient’s Name},
This is to inform you that I need a leave on {date and month} as I am in the middle of shifting my apartment. I need to meet my new landlord and finalize the details of the contract. I have left a copy of the work plan with the team so that they do not run into any trouble.
Please feel free to contact me at my personal number in case of any emergency or queries.
Sincerely,
{Name}
Sample 4: One-day leave application for emergency
This 1 day leave application for office is helpful when an unexpected emergency comes up and you need to take leave immediately.
Subject: Emergency Leave Application for a Day
Respected Sir/Madam,
I am writing this email to inform you that I will not be able to come into work {Date} tomorrow, as I met with an accident on my way home from the office today.
Although it was a minor accident, the doctor has advised me to stay under observation at the hospital to make sure that nothing else is wrong.
I have emailed the team my work plan so that there is no delay in the ongoing project. I hope you will understand my situation and grant me the required leave.
Sincerely,
{Name}
Sample 5: One-day leave application for family function
Here is 1 day leave application for office when you need to attend a family function.
Subject: One-Day Leave Application for Family Function
Respected Sir/Madam,
I am writing this email to request leave for one day on {Date} because I have a family function that I must attend. It is an important event that requires my presence, and I will not be able to come to the office on that day.
I have completed my pending tasks and informed my team, so there will be no delay in work during my absence. I kindly request you to grant me leave for the mentioned date.
Sincerely,
{Name}
Read Marriage Leave Application”
How to write a one-day leave application for office?
Writing a one-day leave application for office is not difficult. You just need to give clear information about why you need leave and for how long. Your manager should understand your reason easily. And your team should not face any trouble during your absence. Here is a step-by-step guide to write a leave request email to manager:
1. Start with a clear subject line: Your manager receives many emails. So your subject line must quickly show the purpose. Example: One-Day Leave Application for Medical Reason
2. Greet your manager respectfully: Start with “Respected Sir/Madam” or your manager’s name. Keep it polite and simple.
3. Clearly mention the reason for leave: Write a short and honest reason for your 1 day leave application for office. Just one or two lines are enough. Example: Illness, urgent work, family function, etc.
4. Mention the exact leave date: Always write the date you want leave for. This avoids confusion later.
5. Give assurance about your work: Tell how you will manage your tasks. This shows responsibility and helps get quick approval. Example: You completed your tasks or informed teammates.
6. Request politely for approval: Add a line that shows you are seeking permission, not informing casually. Example: “Kindly approve my leave for the mentioned date.”
7. End with a professional closing: Write your name, role, and contact if needed. Example: “Sincerely, {Name}, {Designation}.”
One-day leave application templates
Here are ready-to-use templates for one-day leave application for office that you can quickly copy and send to your manager anytime you need a day off.
Template 1: Short and quick one-day leave email
Subject: Request for One-Day Leave
Respected Sir/Madam,
I am writing to request leave for one day on {Date} due to {Reason}. I have updated my team about my tasks and planned pending work accordingly.
Kindly approve my leave for the mentioned date.
Sincerely,
{Name}
{Designation}
Template 2: Detailed one-day leave application for office
Subject: One-Day Leave Application for Office
Respected Sir/Madam,
I am writing to request one-day leave on {Date} as {Reason} requires my urgent attention. Due to this reason, I will not be able to attend work on that day.
I have completed my current tasks and shared essential updates with my colleagues to prevent any delay in the project. If something urgent comes up, I will remain reachable on phone or email.
I kindly request you to approve my leave for the mentioned date.
Thank you for your support.
Sincerely,
{Name}
{Designation}
Things to remember to get leave request approved
Also read: Leave Application For Vacation?
To increase the chances of having your leave request approved, here are ten things to remember:
1. Plan ahead
Submit your leave request as early as possible, giving your employer ample time to review and arrange for coverage if needed. Avoid requesting leave during busy periods or when other colleagues have already requested time off.
2. Follow company policies
Familiarize yourself with your company’s leave policies and procedures. Adhere to the proper channels for requesting leave, whether it’s through an online system, email, or a specific form.
3. Check your available leave balance
Ensure you have sufficient leave balance for the requested duration. If you don’t, consider adjusting your request accordingly or exploring alternative options such as unpaid leave or using vacation time in advance.
4. Be specific and provide details
Clearly state the dates you are requesting and the reason for your leave. If possible, provide additional details that demonstrate the necessity or importance of your time off.
Also read: How To Write An Annual Leave Application?
5. Communicate in advance
Personally speak with your supervisor or manager to discuss your leave request before submitting it formally. Having a conversation can help you explain your reasons and address any concerns or questions they may have.
6. Offer a solution for coverage
If your absence will affect your team or department, propose a plan for ensuring coverage during your absence. This could involve suggesting a colleague who can handle your responsibilities or offering to delegate tasks beforehand.
7. Be flexible and open to negotiation
If your initial request is denied or if there are concerns about the dates, be open to negotiating alternative arrangements. Showing flexibility and a willingness to find a mutually beneficial solution can increase the likelihood of your request being approved.
8. Consider timing strategically
Choose your timing carefully when requesting leave. Avoid peak periods, important deadlines, or critical events that could impact your absence significantly.
9. Maintain a good attendance record
Demonstrating a consistent and reliable attendance record can help build trust with your employer. It shows that you take your responsibilities seriously and are committed to your work.
10. Provide ample notice for longer leaves
If you are requesting an extended leave, such as a sabbatical or maternity/paternity leave, ensure you provide the required notice period specified by your company’s policies or local labor laws. This allows your employer to plan for your absence and make necessary arrangements.
Remember, while following these tips can increase your chances of getting your leave request approved, it ultimately depends on your company’s policies, workload, and specific circumstances.
Also read: How To Write A Leave Extension Letter?
FAQs
Q. How do I write a 1 day leave application?
To craft a one-day leave application, begin with a polite salutation, followed by a concise statement of your intention to take a day off. Mention the date clearly and provide a brief reason for your absence. Express gratitude for understanding and offer to complete pending tasks if applicable. Close with a courteous farewell. Ensure clarity, brevity, and professionalism throughout the letter.
Q. How do I request one day sick leave?
When requesting a one-day sick leave, start with a respectful greeting and state the date of your intended absence. Briefly explain your illness without delving into unnecessary details. Express your willingness to provide any required documentation, such as a doctor’s note. Convey appreciation for understanding and assure completion of pending responsibilities if possible. End with a polite closing.
Q. How do I apply for personal leave?
Applying for personal leave involves addressing your supervisor respectfully, specifying the dates of your intended absence, and briefly explaining the reason for your personal leave. Offer to discuss the matter further if necessary and assure completion of pending tasks or provide a plan for delegation. Conclude with appreciation for consideration and a polite farewell.
Q. How do I write a letter of leave application?
Writing a leave application letter requires a formal tone and structure. Begin with a polite salutation and state your intention to take leave. Clearly mention the dates of your absence and provide a brief reason for your leave. Offer to provide any necessary documentation or support during your absence. Express gratitude for understanding and assure completion of pending tasks if possible. End with a courteous closing remark.
Also read: How to Write a Formal Email
Q. Can I send a leave request email to manager on the same day?
Yes, if it is an emergency like sudden illness or family issues. But try to inform your manager as early as possible so they can plan work smoothly.
Q. What is the ideal length of a one-day leave application?
Keep it brief. Around 80–120 words are enough. Your manager should quickly understand why you need leave and when you will return.
Q. What reasons are acceptable for a one-day leave?
These are common and valid reasons for 1 day leave application for office:
● Health issues like fever or headache
● Urgent personal work
● Family function
● Doctor appointment
● Bank or legal work
● Emergency at home
Just write the reason clearly and politely.
Q. How do I write an application for headache?
You can simply mention that you are experiencing a severe headache and need rest for a day. A short application for headache is enough. We have shared a sample above for quick use.
Q. Can I give a personal reason for leave?
Yes, you can say “personal reason” without sharing details. A one day leave application for office for personal reason is fully acceptable as long as you send it on time.
Q. What is the best time to send a leave email?
Send your leave request email to manager:
● A day before your leave
● Morning of the leave day (if urgent)
Early communication always helps.