Possible NTP corruption
Thunderbird1:
Quote from: OBi-Guru on March 02, 2011, 10:06:51 am
We confirmed the Time Zone problem for Sydney, and will make the correction on the next firmware update, adding Adelaide as well.
However, for your current setting, given that it is now DST in Sydney, the correct selection for you should be GMT+10 (Sydney) with DST disabled to compensate for 1 hour difference (uncheck the default DST-enable parameter).
I've just done a bit of testing and it appears that the actual off-set for every entry from GMT+09:00(Tokyo,Seoul) onwards is out by 1 hr:
GMT+09:00 = 10 hr off-set.GMT+10:00 = 11 hr off-set.GMT+11:00 = 12 hr off-set.GMT+12:00 = 13 hr off-set.
Since plugger2 is in Queensland, which doesn't observe DLS, his current work-around using +09:00 displays the correct time.
In http://www.obitalk.com/forum/index.php?topic=130.msg426#msg426 I made a suggestion to which I got no response so I'll repeat it here - and that is to consider adding either a generic off-set list from -12:00 to +12:00 in half hour increments or a 'user defined' field for manually entering a time offset.
This would then also cover places such as Lord Howe Island which uses UTC +10.30 for standard time and UTC +11.00 for daylight saving time - a 1/2 hr difference instead of the normal 1 hr difference. Norfolk Island use UTC +11.30 for standard time and don't observe daylight saving.
Quote from: OBi-Guru on February 25, 2011, 03:34:24 pm
Seen this in the past, likely due to NTP server not responding in time to the OBi request.
Please upgrade the OBi the latest firmware (1892) - think this problem has been fixed.
This anomaly can be replicated by clearing the NTP server fields, saving and rebooting which confirms OBI-Guru's finding.
Would there be any merit in adding fields for manually entering a time & date? Haven't tested yet but what are the implications on call history date/time stamping of PSTN calls when internet connectivity is lost therefore also losing NTP server connectivity?
OBi-Guru:
The drop down menu allows ease of use and does not quite fit with the style of adding hour/half-hour.
So with advanced apology to Lord Howe/Norfolk Islanders, we are not including your time zones.
Thunderbird1:
Fair enough. Thanks for the confirmation.
plugger2:
Quote from: OBi-Guru on March 05, 2011, 05:53:24 pm
The drop down menu allows ease of use and does not quite fit with the style of adding hour/half-hour.
So with advanced apology to Lord Howe/Norfolk Islanders, we are not including your time zones.
Actually, while only allowing exact 1 hr offsets to GMT adversely affects Norfolk Island, it doesn't affect Lord Howe Island. So that's a win, I guess.
But it does adversely affect the whole of the state of South Australia, as well as the Northern Territory, including the capital cities of Adelaide and Darwin. Both SA and NT are in half-hour offset time zones. So you can chalk that up as a loss, I guess.
Seriously, how hard is this to make truly general? Sheesh.
(Rhetorical question, of course. I have experience in embedded software development, so I have a pretty good idea of exactly how difficult this would be to fix.)
MichiganTelephone:
SOMEBODY has to mention it… ;D (source)
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