Returning local timezones

Developer Programs Writing SmartApps
1

Hello!
I am losing my mind with some timezone issues… I am trying to find the code to set a date variable to midnight (00:00) on the current day. I am located in the EST timezone but the only thing that I can get is UTC! I ran the following code at 7:54 and it returned 00:00 for the next day because UTC was already in the net day. I hsve included a few lines of code below and what they return. I am hoping that they would return, Mon Nov 12 00:00:00 EST 2018.

def now = new Date()
7:54:43 PM: trace now = Tue Nov 13 00:54:43 UTC 2018

def midnight = new Date().clearTime()
7:54:43 PM: trace midnight = Tue Nov 13 00:00:00 UTC 2018

log.debug “The time zone for this location is: ${location.timeZone}”
7:54:43 PM: debug The time zone for this location is: sun.util.calendar.ZoneInfo[id=“America/New_York”,offset=-18000000,dstSavings=3600000,useDaylight=true,transitions=235,lastRule=java.util.SimpleTimeZone[id=America/New_York,offset=-18000000,dstSavings=3600000,useDaylight=true,startYear=0,startMode=3,startMonth=2,startDay=8,startDayOfWeek=1,startTime=7200000,startTimeMode=0,endMode=3,endMonth=10,endDay=1,endDayOfWeek=1,endTime=7200000,endTimeMode=0]]

def startTime = timeToday(“00:00”, location.timeZone)
log.trace “startTime = $startTime”
7:54:43 PM: trace startTime = Mon Nov 12 05:00:00 UTC 2018

Any help would be VERY appreciated!

Thank you!
Matt

2

In the ide, go to My Locations and click on the name of your Location. Is your time zone correct? If not, you might need to set the geolocation.

3

I wish it was that simple!

Time Zone America/New_York

Any other thoughts?

Thanks in advance!

4

7:54:43 PM: debug The time zone for this location is: sun.util.calendar.ZoneInfo[id=“America/New_York”

5

Hi there,

Just wondering why you need to store that date?
is it to trigger something?

if so, runOnce or Schedule(24 00 * * * ?) after first runOnce should be able to trigger your event at 12am daily

6

Sorry for the delayed response, and thanks for your note! I have a timed execution. At that time, I want to check to see if an event (open/close) has fired since midnight. In other words, if it fires at 0800 then I want to count how many times a sensor has been opened between midnight and 0800.

Thanks again!
Matt

7

in that case, you need to schedule to 12am a reset event method you define in your DTH to zero a state variable state.nbEvent.
And in your DTH, state.nbEvent is incremented every time an event “open” is triggered.