Excel Timestamp Converter
Excel Timestamp Converter: convert Excel serial dates using the 1900 or 1904 date systems.
Excel Timestamp Tool
Excel formulas and VBA code for timestamp operations and date arithmetic
Excel Formulas - Unix Conversion
Unix to Excel Date
=(A1/86400)+DATE(1970,1,1)Convert Unix timestamp in A1 to Excel date format
Example: A1: 1640995200
Excel Date to Unix
=(A1-DATE(1970,1,1))*86400Convert Excel date in A1 to Unix timestamp
Example: A1: 1/1/2022
Unix with Milliseconds
=(A1/86400000)+DATE(1970,1,1)Convert Unix timestamp with milliseconds to Excel date
Example: A1: 1640995200000
Text to Date
=DATEVALUE(A1)+TIMEVALUE(A1)Convert text date/time in A1 to Excel serial number
Example: A1: "2022-01-01 12:00:00"
Excel Tips
Excel stores dates as serial numbers where 1 = January 1, 1900
Unix timestamps count seconds since January 1, 1970 (Unix epoch)
Use Ctrl+; to insert current date, Ctrl+Shift+; for current time
Format cells as "General" to see the underlying serial number
VBA functions can be used in worksheet formulas after being defined
Test formulas in a sample worksheet before using in production
VBA code requires enabling macros in Excel
Excel Timestamp Converter
Learn more about this powerful tool
Excel Timestamp Converter: convert Excel serial dates using the 1900 or 1904 date systems.
Purpose
Use this tool to convert Excel serial dates using the 1900 or 1904 date systems. Key details: Excel serial 60 reflects the 1900 leap-year bug, while workbooks may use the 1904 date system. Verify inputs, select a format or timezone, and copy accurate results for production workflows such as logs, APIs, databases, automation, and documentation.
Benefits
Review Excel serial 60 and the 1900/1904 date-system differences, catch malformed values, and copy reliable results. Browser processing keeps data on your device for repeatable checks. Use outputs in code, queries, tickets, and runbooks.
Tool Features
Discover what makes this tool powerful
Easy to Use
Simple and intuitive interface for all users.
Fast Processing
Quick and efficient timestamp operations.
Accurate Results
Precise timestamp calculations and conversions.
Why Choose Our Timestamp Tools?
Professional-grade timestamp processing with enterprise-level reliability
How It Works
Simple steps to use this timestamp tool effectively
Input Your Data
Enter your timestamp or date value in the input field provided by the tool.
Select Options
Choose your preferred output format and any additional options for the conversion.
Get Results
View the converted results instantly with high accuracy and precision.
Copy and Use
Copy the results to your clipboard and use them in your applications or projects.
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Related Tutorials
Practical guides for working with dates, timezones, and timestamps.