Ctrl+Win+Alt+d to insert the current date and time.

ahk-insert-time-and-date.ahk

;-------------------------------------------------------------------------------
; Insert date and time
;-------------------------------------------------------------------------------
; http://prxbx.com/forums/showthread.php?tid=1181&pid=10647#pid10647
; LS 2010-04-27 10:20:23
; modified to use "GMT" instead of "UTC" since GMT respects British Summer Time!
; changed %A_NowUTC% to %A_NowGMT%
; LS 2013-11-27 09:32:50
; perhaps %A_Now% just uses system time which would respect any daylight savings no matter where you are?

^#!d::
	FormatTime, Today, %A_Now%, yyyy-MM-dd HH:mm:ss
	Send, %Today%
return

^!+d::
	FormatTime, Today, %A_Now%, yyyy-MM-dd_HH-mm-ss
	Send, %Today%
return

::|date:: ;Insert current date
FormatTime, T, %A_Now%, yyyy-MM-dd ; 2011-07-25
SendInput %T%
return
 
::|time:: ;Insert current time
FormatTime, T, %A_Now%, HH:mm:ss ; 09:24:20AM
SendInput %T%
return
;------------------------------------------------------------------------------/