Calendar alert times in "standard time"

So we (mostly) are now on Standard Time. I use Calendar (all day) alerts as a sort of to-do list, the notifications being very handy for this (thank you Apple for fixing some Mavericks calendar weirdness in Yosemite - my other support question regarding Calendar in Mavericks appears to be fixed in Yosemite).
However, when I set an alert for a particular time, it indicates that the alert will be one hour later. To be clear, when I look at the "custom" alert time, it is what I set it for - but when I look at the alert time for the event in the event information, it is one hour later. BUT it appears to "notify" at the time I set it to.
So for example, if in the "alert" setting for the event, if I select "custom" and enter a time - that is the time that the notification occurs. BUT the "alert" line indicates it will occur for a time one hour later. WTHeck?
Been checking preferences in Calendar and iCloud. Can't seem to fix it. Or am I just misinterpreting it?
Hope this question makes sense ...

Uh, this may fall into the Emily Litella Category.
The all-day events I refer to above were pulled forward across the Standard Time change (in other words, they were created under Daylight Savings Time). Calendar (or me) appeared to be confused by this today (the first day of Standard Time).
I just pulled them forward again (in other words from one Standard Time day to another) and now Calendar is treating them as it should.
So hopefully, that will be true tomorrow. "Never mind."

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VI to convert Unix time to standard time?

hi,
I am in need of a VI to convert Unix time to Standard time?
eg: Unix time: 1268845177 in seconds
Standard time: GMT: Wed, 17 Mar 2010 16:59:37 GMT
Your timezone(U.S):
Wednesday, March 17, 2010 10:59:37 AM
I have the calculation but not full formula.
Unix time is in seconds from Jan 1,1970, 00:00:00 UTC, starting at 0 counting forward.
When 1268845177/86400 = 14685 days.
86400 = 60*60*24 seconds
But how to convert the 14685 days and relate to the current date, how it should be done?
Either the formula or a VI to convert Unix time to standard time will be a help.
Regards,
Arvinth

Timestamps and the PC clock vs. time on the net are different and I'd say somewhat unrelated concepts.
You are worried about accuracy of the current time. Timestamps have nothing to do with current time, but are a way of identifying and particular moment in time.
Yes, the PC clock gets its time from the net assuming the time server settings are all set properly. Even the correction of the current PC time may not happen exactly when the leap second gets inserted. It may be some time before the PC resynchronizes with the net time. The PC doesn't know if the existence of when a leap second will occur. And neither does the LabVIEW timestamp.
Here is an example. According to http://en.wikipedia.org/wiki/Leap_second, a leap second will occur at the end of June 30 of this year UTC. Since my clock is eastern daylight time at that date, I put together an example for 8pm on June 30 (UTC +4). You'll see that the 3 values (a second before, the exact time, and a second after) show they are all 1 second apart. There is no extra second accounted for. So in real life the time a second after vs. a second before are actually 3 seconds apart, but LabVIEW only show 2 seconds. Feel free to play with the attached snippet for different timezones and daylight savings time and all of that.
I don't think you really have as big of a problem as you are trying to investigate here. If your timing needs are that critical where you need accuracy of the current time to better than a second, then you shouldn't be looking at LabVIEW timestamps, PC time clock, or internet time at all, but look at a high accuracy timing source perhaps based on a GPS clock.
Unless you have a particular test planned to run over the expected point of time where a leap second is inserted, then you shouldn't have to worry. Even if you do have a test run over the leap second, you probably don't need to worry either. If the test is based on a waveform datatype, then you have a T0 timestamp, and a dT that will keep track of all the individual data points accurately.
Attachments:
Example_VI.png ‏20 KB

My calendar alert rings after end time

When I set a alert for 5 minutes before on my calendar it rings after my end time, why is that?

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No menu bar with Tools? Press the alt key.
To be able to change the time when setting the individual event, click on the link icon to the right of the time fields. If the points of the links are touching the duration time is locked to the default. If the points are separated you can set any duration.

Unix time to standard time

hi,
i am writing a program to convert Unix time in the normal date. I wrote the
following program. The Input is not converted properly to the normal date.
It prints date without any issue but the time is not correct. As per the java docs
about the date constructor the value should be calculated from
01/01/1970 00:00:00 but mine one by default shows 01/01/1970 07:30:00
I don't know from where 07:30 is coming by default.
Looking forward for the suggestions.
import java.io.*;
import java.util.*;
import java.text.*;
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        public static void main ( String [] args ) throws IOException
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               long t = dateinsec * 1000L;
               SimpleDateFormat formatter = new SimpleDateFormat("MM/dd/yyyy HH:mm:ss");
               Date regDate = null;
               regDate = new Date(t);
               System.out.println("Formatted date is: " + formatter.format(regDate));
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Corrected thanks
Edited by: vinee on Oct 7, 2008 2:10 AM

vinee wrote:
Sorry i didn't check earlier that i posted at the wrong place.
Extremely sorry.No worries. Just don't do it again please.
In the future, if you do post in the wrong place and want to repost the question in the right place, just go back to your original, and provide a reply that says something like "move to" + the URL of your new thread, so there's one coherent discussion and people don't duplicate each others' efforts.

How do you set a calendar alarm for a specific time on the day of the event without it being an all-day event

Does anyone know how to set a calendar alert at a specific time on the day of the event.
So that the alert date adjusts accordingly if you were to copy and past it to another date.
The custom alert function kind of does this, but because it is an absolute alert (not relative) it will still refer to the date you initially set it to when you copy and paste it to another date. So this creates more work where you would have to go and manually change all the custom alerts. I have potential
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Thanks in advance

Greetings: Set the alarm to message you (on your screen) and then snooze it every day for 15 days, or, set 15 separate alarm messages. There is probably an AppleScript somewhere on the web too, try searching that way as well.

CONVERT TIME IN HOURS INTO STANDARD TIME.

Hi All,
I have time in standard time format for Ex. 07:00:00 . And I want to add 4 hours and 30 min into that time. That means after adding my output I want like this 11:30:00. That means time is now 11 pass 30 min 00 seconds.......Plz tell how to do this............
Regards.
Pradip Pawar

Hi Pradip,
you can do it by the way Anji told you.
I didn't try but guess
what will be the result of '<b>21:00:00</b>' and '<b>04:30:00</b>' ?
Declare variable time1 , time2 and time3...
Time1 = '21:00:00'.
Time2 = '04:30:00'
Time3 = Time1 + Time2.
write / Time3 USING EDIT MASK'__:__:__'.
See the output...
For getting solution of this problem...
You should convert the time into SECONDS for both time valuse
Then add those seconds
Then again convert it into HH:MM:SS...
Hope it will help you
Please correct me if i am wrong.
<b>Reward Points if it is helpful.</b>
Thanks & Regards
ilesh 24x7

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Hi,
I have this strange problem since I migrated to MAC recently and started using iCal. Earlier I was using Thunderbird with Lightning. I am in the India time zone (IST). Whenever I create an appointment using iCal and send invites (using MAC Mail) to meeting participants, the Outlook users among the recipients see the meeting at a time that is an hour ahead of the scheduled time. Lightning users get the invite correctly. Both my Mac and the recipients are using IST timezone.
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India used daylight saving briefly in 1942. The VTIMEZONE specification generated in the ics by iCal seems to specify that daylight savings is used since May 15, 1942, and standard time is used since Sep 1, 1942. My speculation is that Outlook interprets this as saying that daylight saving is in force today (July 2013), probably just ignoring the year specification. Other calendar applications possibly are unaware of this bit of world war II history.
Any way that I can get iCal to not include the timezone information or to modify its 1942 memory? Currently, I am creating all appointments using UTC but that's obviously not pleasant.
Here is a paste of the relevant data in the ics file.
BEGIN:VTIMEZONE
TZID:Asia/Kolkata
BEGIN:STANDARD
TZOFFSETFROM:+0630
DTSTART:19420515T000000
TZNAME:GMT+05:30
TZOFFSETTO:+0530
RDATE:19420515T000000
RDATE:19451015T000000
END:STANDARD
BEGIN:DAYLIGHT
TZOFFSETFROM:+0530
DTSTART:19420901T000000
TZNAME:GMT+05:30
TZOFFSETTO:+0630
RDATE:19420901T000000
END:DAYLIGHT
END:VTIMEZONE

Hi, any thoughts here? I tried replacing the system timezone file for IST with a vanilla +0530 GMT offset one (in /var/share/zoneinfo) but that didn't work (even after a reboot). Does Mail (and other such applications) not use the system timezone definition files?

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Hi there,
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Using iPhone 5 and iOS 7.0.2.
Any help is appreciated.

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Issue with the line materializes itself on my iCal on iMac as well
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In SharePoint Calendar lists, fields [Start Time] and [End Time] do not exist at the Site Column level.

<header style="box-sizing:border-box;color:#777777;line-height:1;font-size:13px;padding-right:46px;margin-bottom:3px;font-family:'Helvetica Neue', arial, sans-serif;">
</header>
I'm doing SP app development and have the following problem.
I need to check Start time and End Time in SharePoint Calendar using CAML query and then add a new event to Calendar list using the Start time and End Time that user has entered in 2 datapickers
in the form.
function AddCalendarListItems() {
var SD = document.getElementById("datepicker1").value;
var SThh = document.getElementById("St1").value;
var STmm = document.getElementById("St2").value;
var ED = document.getElementById("datepicker2").value;
var EThh = document.getElementById("Et1").value;
var ETmm = document.getElementById("Et2").value;
var T = document.getElementById("Title").value;
var S1 = SThh;
SD = SD.slice(6, 10) + "-" + SD.slice(0, 2) + "-" + SD.slice(3, 5) + "T" + SThh + STmm + ":00Z";
ED = ED.slice(6, 10) + "-" + ED.slice(0, 2) + "-" + ED.slice(3, 5) + "T" + EThh + ETmm + ":00Z";
//alert("SD= " + SD + " , ED= " + ED);
var siteUrl = SiteCollurl + "/SharePointApp11";
var clientContext = new SP.ClientContext(siteUrl);
var oList = clientContext.get_web().get_lists().getByTitle('Calendar');
var ListItemCInfo = new SP.ListItemCreationInformation();
var newEvent = oList.addItem(ListItemCInfo);
newEvent.set_item("Title", T);
newEvent.set_item("EventDate", SD);
newEvent.set_item("EndDate", ED);
newEvent.update();
clientContext.executeQueryAsync(Function.createDelegate(this, this.onQueryAddCalendarSucceeded2), Function.createDelegate(this, this.onQueryAddCalendarFailed2));
function onQueryAddCalendarSucceeded2(sender, args) {
alert("Success");
function onQueryAddCalendarFailed2(sender, args) {
alert('Add new item to the calendar failed. ' + args.get_message() + '\n' + args.get_stackTrace());
But I receive the following error:
Add new item to the Calendar failed. Column 'Start time' does not exist. It may have been deleted by another user.
I've checked and 'Start time' does exist. So it seems in SharePoint Calendar lists, field [Start Time] and [End Time] exist but do not exist at the Site Column level.
Please advise.

Hi Khojasteh,
Use “EventDate” for Start Time field, and “EndDate” for End Time field. They are the internal name of the two fields, you can check it in the column settings page url like “Field=EndDate”.
If it isn’t the issue, please debug the code, in which line the error occurs.
Thanks,
Qiao
Forum Support
Please remember to mark the replies as answers if they help and unmark them if they provide no help. If you have feedback for TechNet Subscriber Support, contact
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Qiao Wei
TechNet Community Support

Calendar alert times in "standard time"

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