>Does anyone know an easy way to convert a current local time to
>Greenwich mean time?

The following will retrieve GMT from the system:

declare integer GetSystemTime in kernel32 STRING@ lctimestr
lcsystem = replicate(chr(0),16)

lres = GetSystemTime(@lcsystem)
? datetime(WordToNum(substr(lcsystem,1,2)),WordToNum(substr(lcsystem,3,2)),;
	WordToNum(substr(lcsystem,7,2)),WordToNum(substr(lcsystem,9,2)),;
	WordToNum(substr(lcsystem,11,2)),WordToNum(substr(lcsystem,13,2)))

function WordToNum
lparameter tcWORD
local ln0,ln1
ln0=asc(subs(tcWORD,1,1))
ln1=asc(subs(tcWORD,2,1)) * (256)
return ln1 + ln0

It will automatically account for Daylight Savings Time.