Phobos: Determining number of hours or minutes or seconds till now

[aberba via Digitalmars-d-learn]

On Friday, 20 January 2017 at 03:48:14 UTC, rikki cattermole 
wrote:
> On 20/01/2017 9:29 AM, Rene Zwanenburg wrote:
>> On Thursday, 19 January 2017 at 14:04:36 UTC, aberba wrote:
>>> Using the standard library, how do a get number of hours or 
>>> seconds or
>>> minutes or days or months or years till current time from a 
>>> past
>>> timestamp (like "2 mins ago")? Not with manual calculations 
>>> but from
>>> Phobos functions.
>>
>> You can get a duration by subtracting two timestamps. For 
>> example:
>>
>> auto delta = (Clock.currTime - timeStamp).total!"seconds";
>
> As per the documentation this is wrong for anything beyond a 
> few weeks.
> Although I have no idea if that's the case implementation wise.

Actually I want a weak approximation. So 1 yr 6 months will be 
recorded as 1yr or better still the actually date. Just want to 
make it easy to determine "how long ago" for all recent data at 
client side.