lua-users home
lua-l archive

[Date Prev][Date Next][Thread Prev][Thread Next] [Date Index] [Thread Index]


On Wed, Mar 05, 2008 at 09:57:42AM +0000, Robert Raschke wrote:
> Norman Ramsey writes:
> > I'm sure this question has come up many times, but the way I'm doing
> > it seems clunky, and I hope someone here has a solution that looks sweet:
> > using pure Lua, how can I compute the time difference between local time
> > and UCT (sometimes known as universal time or Greenwich Mean Time)?
> 
> Using http://luaforge.net/projects/date/ , which is pure Lua:
> 
> require "date"
> print(date():getbias())
> 
> 
> Robby
> 

How about:

local currenttime = os.time()
local utc = os.date("!*t", currenttime)
local lcl = os.date("*t",  currenttime)
local offset = (utc.hour*60 + utc.min)  - (lcl.hour*60 + lcl.min)
print (offset)  -- offset in minutes