One Day Leave Application for office: 15+ Formats & Tips

One Day Leave Application: 15 Formats & Templates to Download

A one-day leave application is a common request that employees and students make for personal or urgent matters. Crafting a professional leave application ensures approval and clarity, whether for a medical appointment, a family obligation, or personal reasons.

This guide will teach you how to write a proper one-day leave application with examples, tips, and essential dos and don’ts.

How to Write One Day Leave Application for Office (Step-by-Step)

Writing a one day leave application for office is simple when you follow these essential steps:

1. Clear subject line: "One Day Leave Application - [Date]" or "Leave Request for [Date]"
2. State the date: Mention exact date you need leave
3. Brief reason: Keep it professional - "personal work," "medical appointment," "family commitment"
4. Work coverage: Name colleague handling your duties
5. Contact availability: Provide phone/email for emergencies
6. Professional closing: Thank for understanding and approval

Quick format: Subject + Date + Reason + Coverage + Contact + Thank you

Guide To Crafting A Leave Application For Office. Formats & samples

Valid Reasons for One Day Office Leave

Personal Reasons:

• Banking and financial work
• Legal documentation
• House shifting/moving
• Vehicle registration
• Personal appointments
• Home maintenance emergencies

Medical/Health Reasons:

• Doctor consultations
• Medical tests and check-ups
• Health appointments
• Dental procedures
• Recovery from illness
• Mental health wellness
• Menstrual health concerns

Family Obligations:

• Family functions/ceremonies
• Parent-teacher meetings
• Child care responsibilities
• Elder care duties
• Religious observances
• Family emergencies

Professional Development:

• Training sessions
• Certification exams
• Skill development programs
• Professional conferences
• Networking events

Top 5 Most Used One Day Leave Applications for Office

1. Personal Work Leave Application

Subject: One Day Leave Application for Personal Work

Dear [Manager's Name],

I request one day leave on [Date] for urgent personal work. I have arranged with [Colleague's Name] to handle my responsibilities during my absence.

I'll be available on [Phone Number] for any urgent matters. Please approve this leave request.

Thank you for your understanding.

Best regards, Your Name]

2. Medical Appointment Leave Application

Subject: Leave Application for Medical Appointment

Dear [Manager's Name],

I need one day leave on [Date] for a scheduled medical appointment that cannot be rescheduled. All urgent tasks have been delegated to [Colleague's Name].

I'll return to work the next day and catch up on any pending work. Please grant me leave for the mentioned date.

Thank you for your consideration.

Sincerely [Your Name]

3. Family Function Leave Application

Subject: One Day Leave for Family Function

Dear [Manager's Name],

I request leave on [Date] to attend an important family function. I have completed all priority tasks and briefed [Colleague's Name] on handling any urgent matters.

I'll be reachable at [Phone Number] for emergencies. Kindly approve this one day leave request.

Thank you for your support.

Best regards [Your Name]

4. Sick Leave Application (One Day)

Subject: Sick Leave Application for One Day

Dear [Manager's Name],

I'm feeling unwell and need one day sick leave on [Date] to recover properly. [Colleague's Name] will manage my urgent responsibilities during my absence.

I'll provide a medical certificate if required and return to work the following day.

Thank you for your understanding.

Regards,[Your Name]

5. Emergency Leave Application

Subject: Urgent - One Day Emergency Leave

Dear [Manager's Name],

I need emergency leave on [Date] due to an unforeseen family situation. I apologize for the short notice. [Colleague's Name] will handle my immediate duties.

I'll be available at [Phone Number] for any critical issues. Please approve this emergency leave.

Thank you for your understanding.

Sincerely,[Your Name]

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Complete One Day Leave Application Samples for Office

6. Menstrual Leave Application

Subject: Health Leave Application for One Day

Dear [Manager's Name],

I request one day leave on [Date] due to health reasons that require rest and medical attention. I have arranged with [Colleague's Name] to handle my urgent responsibilities.

All current projects are on track and I'll ensure smooth work transition. I'll be available via email for any critical matters.

Please approve this health leave request.

Thank you for your understanding.

Best regards, [Your Name]

7. Leave for Banking Work

Subject: One Day Leave for Banking Work

Dear [Manager's Name],

I need one day leave on [Date] to complete urgent banking formalities that require my personal presence. The bank is only open during office hours.

[Colleague's Name] will handle my responsibilities. I'll check emails periodically for any urgent matters.

Please approve this leave request.

Thank you, [Your Name]

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8. Leave for House Shifting

Subject: Leave Application for House Shifting

Dear [Manager's Name],

I request one day leave on [Date] for house shifting activities. The movers are scheduled for that day and require my supervision.

All important tasks are completed and [Colleague's Name] will cover any urgent work. I'll be available on phone for critical issues.

Kindly approve this leave.

Best regards, [Your Name]

9. Leave for Legal Documentation

Subject: One Day Leave for Legal Work

Dear [Manager's Name],

I need leave on [Date] to complete urgent legal documentation that requires my presence at the registrar's office.

I've arranged with [Colleague's Name] to handle any immediate tasks. All current projects are on schedule.

Kindly approve this leave request.

Best regards, [Your Name]

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10. Leave for Vehicle Registration

Subject: Leave for Vehicle Registration Work

Dear [Manager's Name],

I request one day leave on [Date] to complete vehicle registration formalities at the RTO office. This process requires my personal attendance during office hours.

[Colleague's Name] is briefed about my responsibilities. I'll be reachable for any urgent queries.

Please grant me leave for the mentioned date.

Thank you, [Your Name]

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11. Leave for Parent-Teacher Meeting

Subject: One Day Leave for Parent-Teacher Meeting

Dear [Manager's Name],

I need leave on [Date] to attend my child's parent-teacher meeting at school. This is a scheduled appointment that cannot be rescheduled.

[Colleague's Name] will manage my duties. I'll ensure all deadlines are met before my leave.

Thank you for your understanding.

Sincerely, [Your Name]

12. Leave for Home Maintenance

Subject: One Day Leave for Home Emergency

Dear [Manager's Name],

I request emergency leave on [Date] due to urgent home maintenance issues that require immediate attention during working hours.

[Colleague's Name] will cover my responsibilities. I'll be available for any critical work matters via phone.

Please approve this emergency leave.

Best regards, [Your Name]

13. Leave for Religious Observance

Subject: Leave Application for Religious Observance

Dear [Manager's Name],

I request one day leave on [Date] to observe [religious festival/ceremony]. This is an important religious occasion for me and my family.

I've completed all priority work and [Colleague's Name] will handle any urgent matters. I'll be reachable for emergencies.

Kindly approve this leave request.

Thank you for your consideration.

Sincerely, [Your Name]

14. Leave for Professional Development

Subject: One Day Leave for Professional Training

Dear [Manager's Name],

I request leave on [Date] to attend a professional development session that will enhance my skills relevant to our current projects.

[Colleague's Name] will manage my responsibilities. I'll share key learnings with the team upon return.

Please approve this professional development leave.

Best regards, [Your Name]

15. Leave for Mental Health Day

Subject: Health Leave Application

Dear [Manager's Name],

I request one day leave on [Date] for personal health and wellness reasons. I need time to recharge to maintain optimal work performance.

[Colleague's Name] will handle my urgent tasks. I'll return refreshed and ready to contribute effectively.

Thank you for supporting employee wellbeing.

Best regards, [Your Name]

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Quick Reference: Office Leave Application Checklist

✅ Before Sending:

• [ ] Clear subject line with "One Day Leave Application"
• [ ] Exact leave date mentioned
• [ ] Brief, professional reason stated
• [ ] Work coverage arrangements confirmed
• [ ] Emergency contact provided
• [ ] Professional tone maintained
• [ ] Spell-check completed

✅ Follow-Up Actions:

• [ ] Inform team members directly
• [ ] Brief colleague on urgent tasks
• [ ] Set email auto-reply if needed
• [ ] Update calendar/schedule
• [ ] Prepare handover notes

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Best Subject Lines for Office Leave Applications

Professional Formats:

• "One Day Leave Application - [Date]"
• "Leave Request for [Date] - [Your Name]"
• "Application for One Day Leave on [Date]"
• "Personal Leave Request - [Date]"
• "Sick Leave Application for [Date]"
• "Health Leave Application - [Date]"

Emergency Formats:

• "Urgent - One Day Leave Required"
• "Emergency Leave Request for [Date]"
• "Immediate Leave Application - [Date]"

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WhatsApp/Email Leave Messages for Office

1. Simple Leave Message

"Hi [Manager's Name], I need one day leave on [Date] for personal work. [Colleague's Name] will handle urgent tasks. Please approve. Thanks!"

2. Medical Leave Message

"Hello [Manager's Name], feeling unwell today. Taking sick leave on [Date]. [Colleague's Name] covering my work. Will be back tomorrow. Thank you."

3. Emergency Leave Message

"Dear [Manager's Name], family emergency requires my immediate attention. Need leave on [Date]. [Colleague's Name] informed about urgent tasks. Apologies for short notice."

4. Health Leave Message

"Hi [Manager's Name], need health leave on [Date] for medical reasons. [Colleague's Name] will cover urgent work. Will return next day. Please approve."

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Download Free Office Leave Templates

📧 One Day Office Leave Email Templates

• 15 ready-to-use email formats
• Professional and formal options
• Subject line variations

👉 Download One Day Leave for Family Reasons Template (Word)

📱 Quick Office Message Templates

• Email and WhatsApp formats
• Emergency leave messages
• Follow-up templates

👉 Download One Day Leave Message Templates (Word)

📝 Formal Office Application Formats

• HR-compliant formats
• Various reason templates
• Manager communication formats

👉 Download Personal Leave Request Email Samples (Word)

FAQ: One Day Leave Application for Office

How do I write a 1 day leave application for office?

Start with clear subject line mentioning "One Day Leave Application." State the exact date and brief reason. Mention work coverage arrangements. Provide emergency contact. End with professional thank you.

Quick format: Subject + Date + Reason + Coverage + Contact + Thank you.

How do I request leave for one more day?

Email your manager with subject "Leave Extension Request." State original leave dates and new extended date. Explain reason briefly. Confirm work coverage continues. Request approval for additional day.

Sample: "Requesting extension of my leave from [original end date] to [new end date] due to [reason]."

How do I inform about periods in office?

Use professional terms like "health reasons" or "medical concerns." Write "Health Leave Application" as subject. Mention need for rest without specific details. Maintain privacy while being professional.

Professional phrases: Health reasons, medical concerns, wellness day, personal health matter.

How do I message "I'm on leave today"?

Text or email: "Hi [Manager's Name], I'm on leave today [date] due to [brief reason]. [Colleague's name] coveringurgent tasks. Back tomorrow. Thanks!"

Quick message: "On leave today - [reason] - [colleague] covering - back [return date]."

How do I inform already taken leave?

Send immediate email with subject "Leave Taken - [Date]." Apologize for late notification. Explain emergencysituation briefly. Confirm work coverage arrangements. Thank for understanding.

Emergency format: "Apologize for late notice - took emergency leave [date] - [colleague] informed - back [return date]."

How do I ask for a day off on short notice?

Call or message immediately. Use "Urgent Leave Request" as subject. Apologize for short notice. Explain emergencybriefly. Confirm colleague can cover duties. Request understanding.

Short notice script: "Emergency leave needed [date] - apologize for short notice - [colleague] covering - urgent [reason]."

How do I apply for personal leave for one day in office?

Use "Personal Leave Application" as subject. Mention leave date and "personal work" as reason. Ensure work coverage. Keep explanation brief and professional.

Personal leave template: Date + "personal work" + coverage arranged + professional closing.

What is a good reason for one day leave from office?

Valid reasons include medical appointments, family functions, personal work, health issues, emergency situations, religious observances, banking work, and urgent home matters.

Top reasons: Medical appointments, family events, personal work, health issues, emergencies.

How much notice should I give for one day office leave?

Provide 1-2 days advance notice when possible. For emergencies, inform immediately. For planned appointments, give maximum possible notice to help with work coverage.

Best practice: 1-2 days advance notice, immediate for emergencies.

Can my employer deny one day leave request?

Employers can deny leave based on business needs, insufficient notice, or policy violations. However, most approve reasonable one-day requests with proper notice and work coverage.

Reality: Usually approved with proper notice and valid reason, but can be denied for business needs.

What if my manager doesn't respond to my leave request?

Follow up politely after 24-48 hours. Send a gentle reminder email. If urgent, call directly or approach HR. Document all communication attempts for records.

Follow-up approach: Wait 1-2 days, send polite reminder, escalate to HR if needed.

Can I take one day leave during probation period?

Yes, most companies allow leave during probation for valid reasons. Check your employment contract and company policy. Medical emergencies are usually approved. Avoid frequent leave requests during probation.

Probation leave: Usually allowed for genuine reasons, check company policy first.

How do I apply for leave when no colleague can cover?

Inform your manager about the coverage challenge. Suggest completing urgent tasks before leave. Offer to be available for emergencies. Document all critical processes for team reference.

No coverage solution: Complete urgent work beforehand, offer emergency availability, document processes.

Can I take one day leave during project deadline?

Possible but challenging. Inform manager immediately with valid reason. Offer to work extra hours before/after leave. Consider rescheduling if not urgent. Be prepared for potential denial.

Deadline leave: Inform early, offer compensation work, be flexible with timing.

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Final thoughts

Taking a day off can be beneficial in many ways, and submitting a one-day leave application is the best way to request permission for a single day of absence from work. 

It is essential to ensure that you know your company's leave policies and submit the application per those policies. It is also crucial to ensure that your application is polite and professional and includes all necessary information.

Please browse our other leave application formats to find the one best suits your needs. Taking a day off can benefit your mental and physical health, so make sure to take the time to relax and recharge.