SPLK-1002 Advanced Searching and Statistics Practice Question
A search includes `... | eval day=strftime(_time, "%A") | stats count by day | sort count`. The results show Monday has the highest count. The analyst wants to confirm that the timezone is correctly applied. Which command should be added before the eval to ensure the day calculation uses the local timezone?
⚠ Common exam trap
Splunk often tests the misconception that `strftime` automatically respects the user's local timezone, when in fact it uses the search head's timezone setting, requiring manual offset adjustment for accurate local-time calculations.
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
`... | eval _time=_time + (your_tz_offset*3600) | eval day=strftime(_time, "%A") ...`
The `strftime` function uses the server's timezone by default, which may not match the local timezone. By manually adding the timezone offset (in seconds) to `_time` before the `eval`, you shift the epoch timestamp to reflect the local time, ensuring that `strftime` calculates the correct day of the week. This is a common workaround when the search head's timezone differs from the user's local timezone.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
`... | eval day=strptime(_time, "%A") | ...`
Why it's wrong here
strptime converts string to epoch, not applicable here.
- ✗
`... | fields + _time, day | ...`
Why it's wrong here
fields just selects fields, does not affect timezone.
- ✓
`... | eval _time=_time + (your_tz_offset*3600) | eval day=strftime(_time, "%A") ...`
Why this is correct
Correct: adjusting _time by timezone offset before extracting day.
- ✗
`... | convert ctime(_time) | eval day=strftime(_time, "%A") ...`
Why it's wrong here
convert ctime only changes display format, not the underlying epoch; strftime still uses UTC.
- ✗
`... | eval _time=relative_time(_time, "-0@d") | eval day=strftime(_time, "%A") ...`
Why it's wrong here
relative_time rounds to day, doesn't adjust timezone.
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Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
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