skills/built-in/datetime/SKILL.md
Do date and time math: differences between dates, 'days until' a deadline, add/subtract durations, weekday of a date, and timezone conversions. Use when users ask how many days until X, what day of the week a date is, convert a time between zones, or compute an age/duration. Triggers on mentions of days until, how long until, what day is, weekday, timezone, time difference, countdown, 还有几天, 倒计时, 星期几, 时区, 时间差, 几点.
npx skillsauth add microclaw/microclaw datetimeInstall this skill globally with one command. Works with Claude Code, Cursor, and Windsurf.
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Compute dates with code — humans miscount days, leap years, and DST. Prefer the bot's
get_current_time / compare_time tools for "now" and deltas; use this for richer math.
python3 -c "from datetime import date; print((date(2026,12,31)-date(2026,5,31)).days, 'days')"
python3 -c "from datetime import date; d=date(2026,9,1); print((d-date.today()).days, 'days to go')"
python3 -c "from datetime import date; print(date(2026,5,31).strftime('%A'))"
python3 -c "from datetime import date,timedelta; print(date.today()+timedelta(days=90))"
python3 -c "
from datetime import datetime
from zoneinfo import ZoneInfo
t = datetime(2026,5,31,9,0,tzinfo=ZoneInfo('America/New_York'))
print(t.astimezone(ZoneInfo('Asia/Shanghai')))
"
Asia/Shanghai, Europe/London), not raw offsets — they handle DST.documentation
Improve or write prose: tighten, clarify, fix grammar, and adjust tone/length while preserving the author's voice and meaning. Use when users ask to edit, proofread, rewrite, polish, shorten, or change the tone of text, or to draft something from notes. Triggers on mentions of edit, proofread, rewrite, polish, tighten, make it shorter/clearer/more formal, fix grammar, 润色, 改写, 校对, 修改, 精简, 改语气, 帮我写.
development
Look up a quick factual summary of a topic, person, place, or thing from Wikipedia via its public REST API (no API key). Use when users want a concise overview, 'who/what is X', background, or a definition-level explanation of a named entity. Triggers on mentions of who is, what is, tell me about, overview of, background on, wikipedia, 是谁, 是什么, 介绍一下, 简介, 维基.
testing
Convert between units of measurement precisely: length, mass/weight, temperature, area, volume, speed, data sizes, and time. Use when users ask to convert X to Y, 'how many cm in an inch', 'what's 70F in C', 'GB to MB', or mix metric and imperial. Triggers on mentions of convert, conversion, in inches/cm/km/miles, kg/lb, Celsius/Fahrenheit, 换算, 转换, 多少厘米, 多少公斤, 摄氏, 华氏.
development
Translate text between languages naturally, preserving meaning, tone, and formatting, with notes on nuance or ambiguity when it matters. Use when users ask to translate text, say something in another language, or localize a message. Triggers on mentions of translate, in English/Chinese/Spanish/Japanese/etc, how do you say, localize, 翻译, 译成, 用英文怎么说, 中译英, 英译中, 本地化.