SAS timestamp (seconds or days since 1960) to human-readable date
SAS is a programming language used for statistical analysis.
Datetime
A SAS 4GL datetime timestamp is the number of seconds since January 1, 1960 at midnight GMT. The difference between this timestamp and the Unix epoch (1/1/1970) is 315619200 seconds.
Date
The SAS datestamp represents the number of days since January 1, 1960.
SAS to Unix
Unix to SAS
What is SAS Timestamp?
SAS (Statistical Analysis System) is a programming language used for statistical analysis. It uses two timestamp formats: SAS datetime counts seconds since January 1, 1960, 00:00:00 UTC, while SAS date counts days since the same epoch. Both formats use 1960 as the epoch instead of 1970 used by Unix timestamps, making them useful for SAS data analysis, statistical computing, and enterprise analytics workflows.
- SAS Datetime: The number of seconds since January 1, 1960, 00:00:00 UTC. The difference between this timestamp and the Unix epoch (1/1/1970) is 315619200 seconds.
- SAS Date: The number of days since January 1, 1960. This is a simpler format used for date-only values without time components.
Conversion formula:
- SAS Datetime to Unix:
unix = sas_datetime + 315619200 - Unix to SAS Datetime:
sas_datetime = unix - 315619200 - SAS Date to Unix:
unix = (sas_date * 86400) + 315619200
Use cases: SAS data analysis, statistical computing, data science workflows, enterprise analytics, legacy data conversion, and converting SAS timestamps for integration with other systems. This tool is essential for data analysts and statisticians working with SAS software.
Frequently Asked Questions
What is a SAS timestamp?
SAS (Statistical Analysis System) uses timestamps that count seconds since January 1, 1960, 00:00:00 UTC. SAS also has a date format that counts days since January 1, 1960. Both formats use 1960 as the epoch instead of 1970 used by Unix timestamps.
What is the difference between SAS datetime and SAS date?
SAS datetime counts seconds since January 1, 1960 and includes time information. SAS date counts days since January 1, 1960 and represents date-only values without time components.
How do I convert a SAS timestamp to Unix timestamp?
Enter your SAS datetime or date value in the input field and click convert. The tool will automatically detect the format and convert it to a Unix timestamp with the corresponding human-readable date.