In the first example, events come into the forwarder from New York City in the U.S./Eastern time zone and Mountain View, California in the U.S./Pacific time zone.
#Splunk strftime timezone how to#
The following are examples of how to specify time zones in nf. As long as the time is set correctly on the host system of the indexer, the offsets to event time zones are calculated correctly.Įxamples of time zone specification in nf You do not configure the time zone for the indexer on the Splunk Platform, but instead in the underlying operating system. To view a list of all the time zone TZ IDs, see. Make sure that the time zone of the events you enter is the time zone coming from that host, source, or source type. Inside the stanza for a host, source, or source type, set the TZ attribute to the TZ ID for the desired time zone. The TZ attribute recognizes zone info TZ IDs.
For information on configuration files in general, see About configuration files in the Splunk Enterprise Admin Manual.Ĭonfigure time zones by adding a TZ attribute to the appropriate stanza in the nf file. To configure time zone settings, edit the nf file in $FORWARDER_HOME/etc/system/local/ or in your own custom application directory in $FORWARDER_HOME/etc/apps/. If Splunk has multiple specified time zones, it will use the one higher in precedence.
#Splunk strftime timezone software#
To determine the time zone to assign to a timestamp, Splunk software uses the following logic in order of precedence: How Splunk software determines time zones If you have Splunk Enterprise and need to modify timestamp extraction, perform the configuration on your indexer machines or, if you are forwarding data, use heavy forwarders and perform the configuration on the machines where the heavy forwarders run. file, see Configure timestamp recognition. If you change the time zone setting of the host machine, you must restart Splunk Enterprise or the forwarder for the software to detect the change.įor general information on editing timestamps in the nf. Perform the configuration on the machines where your heavy forwarders run. To modify timestamp extraction, your Splunk Cloud Platform architecture must include a heavy forwarder and you must edit the nf file on the heavy forwarder. You can configure time zones based on the host, source, or source type of an event. And you don't even know if the source is reporting the time properly.If you index data from different time zones, you can use time zone offsets to check that they correlate correctly when you search. So you might get different results depending on when you're calling your search and you'll never know which results are proper ones. Without a timezone information within the time string you don't know whether it was in "summer time" or "winter time". But it might mean that daylight saving comes into play. Remember that if you're evaluating your search, it's parsing the time according to your user's configured timezone, which might not be a problem if you assume that none of your users will be far enough to warrant a different timezone. I'd strongly advise to reconfigure your sources so that they do include the timezone information within the timestamp. Or even, if you can enumerate hosts or sources with/without timezone, you could make a conditon based on that field. You could - since you're saying that only some subset of your events contains the timezone - do a conditional evaluation like | eval mytime=if(like(match(mytime,".*-+$"),strptime(mytime,"format with timezone"),strptime(mytime,"format without timezone")
More than one time-based field in the event can cause confusion
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