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Get current date and time in various formats. Use whenever you need the current date, time, timestamps, or formatted datetime values for any purpose (logging, file naming, scheduling, comparisons, etc.)
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SOC 職業分類に基づく
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This skill should be used when the user asks about "market microstructure", "exchange mechanics", "order book", "auction", "NBBO", "Reg NMS", "trading venue", "halt", "LULD", "tick size", "maker-taker", "price-time priority", "SIP", "direct feed", "TRF", "wholesaler", "PFOF", "best execution", "trade-through", "ISO", "opening cross", "closing cross", "NOII", "ITCH", "OUCH", or mentions specific exchanges (Nasdaq, NYSE, CME, Binance, SHFE, DCE, CZCE, CFFEX, INE, etc.). For Chinese futures: "CTP", "综合交易平台", "夜盘", "night session", "看穿式监管", "position limits", "持仓限额", queue position in Chinese markets, or Chinese product codes (rb, cu, sc, if, ic, i, j, ta, ma, etc.). Provides hierarchical venue expertise for research and debugging trading systems.
Apply timeless programming wisdom from "97 Things Every Programmer Should Know" when writing, reviewing, or refactoring code. Use for design decisions, code quality checks, professional development guidance, testing strategies, and workflow optimization.
| name | datetime |
| description | Get current date and time in various formats. Use whenever you need the current date, time, timestamps, or formatted datetime values for any purpose (logging, file naming, scheduling, comparisons, etc.) |
Get the current date and time in various formats.
# Date only
date +%Y-%m-%d # 2025-01-15
date +%Y/%m/%d # 2025/01/15
date +%d-%m-%Y # 15-01-2025
# Date with time
date +"%Y-%m-%d %H:%M:%S" # 2025-01-15 14:30:45
date +"%Y-%m-%dT%H:%M:%S" # 2025-01-15T14:30:45 (ISO 8601)
date -u +"%Y-%m-%dT%H:%M:%SZ" # 2025-01-15T14:30:45Z (UTC ISO 8601)
# Time only
date +%H:%M:%S # 14:30:45
date +%H:%M # 14:30
date +%I:%M%p # 02:30PM (12-hour)
# Timestamps
date +%s # 1705329045 (Unix epoch)
date +%s%3N # 1705329045123 (milliseconds)
# Human readable
date "+%B %d, %Y" # January 15, 2025
date "+%A, %B %d, %Y" # Wednesday, January 15, 2025
date "+%b %d %Y" # Jan 15 2025
# File-safe formats (no colons/spaces)
date +%Y%m%d # 20250115
date +%Y%m%d_%H%M%S # 20250115_143045
date +%Y%m%d-%H%M%S # 20250115-143045
Use this skill whenever you need:
| Code | Output | Example |
|---|---|---|
%Y | Year (4-digit) | 2025 |
%m | Month (01-12) | 01 |
%d | Day (01-31) | 15 |
%H | Hour 24h (00-23) | 14 |
%M | Minute (00-59) | 30 |
%S | Second (00-59) | 45 |
%I | Hour 12h (01-12) | 02 |
%p | AM/PM | PM |
%s | Unix timestamp | 1705329045 |
%A | Weekday name | Wednesday |
%B | Month name | January |
%b | Month abbrev | Jan |
%Z | Timezone | PST |
Log timestamp:
echo "[$(date +"%Y-%m-%d %H:%M:%S")] Event occurred"
Backup file naming:
cp file.txt "file_$(date +%Y%m%d_%H%M%S).txt"
API timestamp (UTC):
date -u +"%Y-%m-%dT%H:%M:%SZ"