libqsastime0 5.10.0+dfsg2-0.1ubuntu1 (arm64 binary) in ubuntu xenial

 The qsastime library is a simple library for handling time format
 conversion. It overcomes the limitations of the POSIX time handling
 routines by allow high precision time variables over a large range
 of ranges of dates and by correctly handling leap seconds. It was
 designed with the needs of scientific data plotting in mind. This
 package provides the runtime library.
 .
 The source code for this library is part of the plplot source
 package.