from __future__ import annotations

from datetime import date, datetime, time, timedelta, timezone
from zoneinfo import ZoneInfo


def local_date_range_to_utc(start: date, end: date, tz: ZoneInfo) -> tuple[datetime, datetime]:
    local_start = datetime.combine(start, time.min, tzinfo=tz)
    local_end = datetime.combine(end + timedelta(days=1), time.min, tzinfo=tz)
    return (
        local_start.astimezone(timezone.utc).replace(tzinfo=None),
        local_end.astimezone(timezone.utc).replace(tzinfo=None),
    )