A one day leave application is a formal written request for permission to be absent for a single day from school or work. It should clearly state the date, reason for leave, and a commitment to complete any missed work. Both students and employees use this format.
One day leave application requests absence for a single day from school or office.
Include: date, reason, and commitment to complete pending work.
School: addressed to principal/class teacher; include class, section, roll number.
Office: addressed to manager/HR; include designation and employee ID.
End: 'Yours obediently' (school) or 'Regards/Yours sincerely' (office).
Casual leave (CL) is the most common type used for one-day off in offices.
Format (School — Student to Principal):
To, The Principal / Class Teacher, [School Name], [City]
Date: [DD/MM/YYYY]
Subject: Application for One Day Leave
Respected Sir/Madam,
I am [Name], a student of Class [X], Section [Y], Roll No. [Z]. I humbly request you to grant me one day leave on [date] as I [reason — am not feeling well / have a family function / need to attend an official ceremony].
I will complete all missed class work after I return.
Thank you.
Yours obediently, [Name] Class [X], Section [Y]
Sample 1 — School (Fever):
To, The Principal, Kendriya Vidyalaya, Pune
Date: 06/05/2026
Subject: Application for One Day Leave
Respected Sir,
I am Arjun Mehta, student of Class 8A (Roll No. 22). I am suffering from fever and am unable to attend school on 07/05/2026. I kindly request one day leave. I will complete all missed assignments upon my return.
Yours obediently, Arjun Mehta
Format (Office — Employee to Manager):
To, [Manager's Name], [Designation], [Company Name]
Date: [DD/MM/YYYY]
Subject: Leave Application for One Day
Dear [Mr./Ms. Name],
I would like to request one day casual leave on [date] due to [reason]. I will ensure all urgent work is completed before my leave and will be available on phone/email if needed.
Kindly approve my leave.
Regards, [Your Name] [Designation / Employee ID]
Sample 2 — Office (Personal Reasons):
To, Ms. Priya Singh, HR Manager, ABC Pvt. Ltd.
Date: 06/05/2026
Subject: Leave Application for One Day
Dear Ms. Singh,
I request one day casual leave on 08/05/2026 due to a personal family matter that requires my presence. I have briefed my colleague to handle urgent tasks during my absence.
Kindly approve.
Regards, Rahul Verma Software Engineer — IT Dept.
Sample 3 — Marriage / Function: Subject: One Day Leave for Marriage Function Body: I request leave on [date] to attend my cousin's wedding ceremony. I will complete all pending assignments before leaving.
Key Points: • Always include: date, reason, assurance of work completion • Keep the body to 3–4 sentences • Formal tone throughout • End with 'Yours obediently' (school) or 'Regards/Yours sincerely' (office)
A one day leave application should state: the specific date of leave, reason (fever, family function, personal work), and assurance of completing any missed work. For school, address it to the principal or class teacher with your class and roll number. For office, address it to your manager with your designation. Keep the body to 3–5 sentences and use a formal tone.
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