{"id":"cs-three-time-zones-earliest-slot","audience":"customer-success","category":"support-work","technique":"constraints","track":"support","level":"advanced","title":"Find the earliest one-hour slot that works in three time zones","free":false,"task":"Find the earliest 60-minute slot on Tue Nov 17 that works for everyone. Output exactly 4 lines: \"Slot (ET):\" then one line each for \"Mara (PT):\", \"Nils (ET):\" and \"Pia (London):\" with the start-end times in each person's local time. Everyone works 8:00am to 6:00pm local, and Mara is blocked 9:00-10:00am PT. Plain text, under 45 words, nothing else.","materialLabel":"Your material (attached to your prompt automatically)","material":"MEETING: executive sponsor call, 60 minutes, Tue Nov 17\n\nPEOPLE AND TIME ZONES (on Nov 17 all three are on standard time)\n- Mara Quinn, customer CFO: Pacific Time (PT). Blocked 9:00-10:00am PT on Tuesdays.\n- Nils Aaberg, our VP: Eastern Time (ET).\n- Pia Moreau, our partner: London time (GMT).\n\nOFFSETS: PT is 3 hours behind ET. London is 5 hours ahead of ET.\nEXAMPLE: 10:00am ET = 7:00am PT = 3:00pm London.\n\nWORKING HOURS: everyone is available 8:00am to 6:00pm in their own time zone.\nPia asked for \"anything before lunch\", which is not a constraint.\nSlots must start on the hour.","rules":[{"type":"plainText"},{"type":"maxWords","max":45}],"mistakes":[{"title":"Ignoring one time zone","why":"The AI picks a time that fits ET and PT but is after 6pm in London.","fix":"Say: \"Check all three working windows.\"","checks":["r1"]},{"title":"Landing on Mara's block","why":"The AI picks 12:00-1:00pm ET, which is 9-10am PT.","fix":"Say: \"Mara is blocked 9:00-10:00am PT.\"","checks":["r2"]},{"title":"Wrong direction on offsets","why":"The AI adds 3 hours for PT instead of subtracting.","fix":"Say: \"PT is 3 hours behind ET; London is 5 hours ahead.\"","checks":["r1"]},{"title":"Getting markdown back","why":"AI adds bold and headings by default, which show up as stray symbols where this is pasted.","fix":"Say \"plain text, no bold, no headings, no asterisks\".","checks":["plainText"]},{"title":"Trusting the AI to count words","why":"The AI runs long and cannot count its own words.","fix":"Cap each part (\"each line under 12 words\") and add \"under N words in total\".","checks":["maxWords"]},{"title":"Leaving a requirement unstated","why":"The AI follows its own defaults unless the prompt spells this out.","fix":"State it plainly in your prompt: the output has exactly four lines starting 'Slot (ET):', 'Mara (PT):', 'Nils (ET):' and 'Pia (London):'.","checks":["r0"]}],"promptHints":[{"label":"Names the four lines","patterns":["slot \\(et\\)","mara \\(pt\\)","pia \\(london\\)"]},{"label":"Gives the offsets","patterns":["3 hours behind","5 hours ahead","offset"]},{"label":"Includes working hours and block","patterns":["8:00am","6:00pm","blocked"]},{"label":"Earliest slot","patterns":["earliest"]},{"label":"Asks for plain text","patterns":["plain","no bold","no markdown","no formatting","no headings"]},{"label":"Sets a word cap","patterns":["\\d+\\s*words","under \\d+","word"]}],"hint":"Time-zone puzzles need every constraint stated: offsets, working hours, blocks and the word \"earliest\".","mission":"Find the earliest hour on Nov 17 that suits everyone.","musts":["Each person's local time","Work hours 8am-6pm","Mara blocked 9-10am PT"],"rubricLabels":["The output has exactly four lines starting \"Slot (ET):\", \"Mara (PT):\", \"Nils (ET):\" and \"Pia (London):\"","The slot is 11:00am-12:00pm ET, which is 8:00-9:00am for Mara (PT) and 4:00-5:00pm for Pia (London)","Nils (ET) shows 11:00am-12:00pm, and the output does not choose a slot that overlaps Mara's 9:00-10:00am PT block"]}