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Questions tagged [tai-time]

8 questions
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How to obtain current TAI time?

How can I obtain the current TAI time in milliseconds in Linux using either Java or C++? The reason I need this is to be able to accurately take timestamps over a long period of time (on the order of years) and still be able to compare them, without…
Daniel Centore
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How to get International Atomic Time in Java 7

I am working on a Java7 project, and we need a timestamp in International Atomic Time. I've found a few other questions relating to this that point to JSR-310 and ThreeTen Project (which is implementing JSR-310): How to get GPS Time and TAI time in…
asibs
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What is the epoch of CLOCK_TAI?

Since Linux kernel version 3.10, the function clock_gettime() now accept CLOCK_TAI. I didn't manage to find a detailed description of this clock. What is its epoch ? EDIT 1: Just compared the output of CLOCK_REALTIME and CLOCK_TAI on my Linux 3.19…
chmike
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Finding the number of TAI seconds since 00:00:00 UTC, 1 January, 2004 in Java

As the title states, I'm required to find the number of TAI seconds since 00:00:00 UTC, January 1st, 2004 (in Java). I've just recently learned what TAI is and my attempts at working out the above have left me a bit confused. What I've tried: I know…
Paul Warnick
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How to get GPS Time and TAI time in Java?

Is there a way to get the current GPS time and TAI time? ( System.currentTimeMillis()'s return value is POSIX time, which isn't a linear representation of time. )
Pacerier
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TAI time from String with date time representation

In my Java task I get some timestamps in Strings in the format of: YYYY-MM-ddTHH:mm:ss.S. These timestamps are supposed to be interpreted as TAI time (International atomic time). I need to compare these timestamps to others, some of which might be…
gumitmu
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Why was UTC initially defined as being 10 seconds offset from TAI

From http://derickrethans.nl/leap-seconds-and-what-to-do-with-them.html UTC was defined (in the latest adjustment of its definition) as being 10 seconds different from TAI making 1972-01-01T00:00:00 UTC and 1972-01-01T00:00:10 TAI the same…
Ed Griffin
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Converting TAI time to a Java Instant

I have access to TAI time with seconds and nano seconds - let me just called this T. I want to now create a java Instant class corresponding to this value T. I've looked for the appropriate constructors to do this but no luck.
Farrukh Azfar
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