"""Tool: time_now — Get the current time and date."""
import time
from datetime import datetime
def time_now():
    """Get current time and date. Returns dict with iso, date, time, weekday."""
    now = datetime.now()
    return {"iso": now.isoformat(), "unix": time.time(),
            "date": now.strftime("%Y-%m-%d"), "time": now.strftime("%H:%M:%S"),
            "weekday": now.strftime("%A")}