Here's a PM I wrote someone else with the details of wot to do.
I have a CSV of block times:
https://bitcointalk.org/index.php?topic=135982.msg1453722#msg1453722I dumped them on Windows with this "dumptime.cmd" in the bitcoind directory (and then added some more spreadsheet columns to make epoch time readable time), here it dumps times from block 50000-99999:
@echo off
setlocal enableextensions
set /a height=50000
rem echo --start > timeout.txt
:beg
for /f "tokens=* delims=:" %%a in (
'bitcoind getblockhash %height%'
) do (
set hash=%%a
)
for /f "tokens=*" %%a in (
'bitcoind getblock %hash% ^| find "time"'
) do (
set blktim=%%a
)
echo %height%: %blktim%
echo %height%: %blktim% >> timeout.txt
set /a height = height + 1
IF %height% LEQ 99999 goto beg
endlocal
blocknum,epochtime,blocksec,datetime
0,1231006505,0,2009-01-03T18:15:05Z
1,1231469665,0,2009-01-09T02:54:25Z
2,1231469744,79,2009-01-09T02:55:44Z
3,1231470173,429,2009-01-09T03:02:53Z
4,1231470988,815,2009-01-09T03:16:28Z
5,1231471428,440,2009-01-09T03:23:48Z
6,1231471789,361,2009-01-09T03:29:49Z
7,1231472369,580,2009-01-09T03:39:29Z
8,1231472743,374,2009-01-09T03:45:43Z
9,1231473279,536,2009-01-09T03:54:39Z
10,1231473952,673,2009-01-09T04:05:52Z
11,1231474360,408,2009-01-09T04:12:40Z
12,1231474888,528,2009-01-09T04:21:28Z
13,1231475020,132,2009-01-09T04:23:40Z
14,1231475589,569,2009-01-09T04:33:09Z