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Date & Time Converter
Convert between different date and time formatsFormat
Timestamp
Input Date
Converted Formats
JS locale date string
ISO 8601
ISO 9075
RFC 3339
RFC 7231
Unix timestamp
Timestamp
UTC format
Mongo ObjectID
Excel date/time
Usage Guide
Select Format
Choose the input date format or let it auto-detect
Enter Date
Input your date string in the selected format
ISO 8601UnixRFC 3339Excel
Copy Result
Copy any converted format to clipboard
features
📅10 different date formats including ISO 8601, Unix timestamp, Excel
🔍Automatic format detection for common date strings
⚡Real-time conversion as you type
📋One-click copy for each format
🎯Perfect for developers, data analysts, and system integration
Technical Introduction
What is Date Time Conversion?
Date time conversion is the process of transforming dates between different formats and standards. Each format serves specific purposes in different systems and applications.
Web: ISO 8601 for APIs and databases
Unix: Timestamp for system programming
Business: Excel format for spreadsheet applications
Best Practices
Follow these guidelines for effective date handling:
Use ISO 8601 for web APIs and data exchange
Use Unix timestamps for system-level programming
Always specify timezone information when relevant
Standards & Specifications
This tool processes dates locally in your browser. No data is sent to external servers, ensuring your date information remains private and secure.