dual-timezone-skill

breverdbidder's avatarfrom breverdbidder

Handle FL/IL time conversions, Shabbat awareness, prayer time consciousness, and timezone-appropriate scheduling

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[Project Management]

When & Why to Use This Skill

This Claude skill provides a comprehensive framework for managing dual-timezone coordination between Florida (EST) and Israel (IST), specifically tailored for religious observance and peak productivity. It integrates Shabbat and Jewish holiday awareness into scheduling logic, ensuring that tasks, meetings, and communications respect religious boundaries while optimizing work based on the user's daily energy levels.

Use Cases

  • International Coordination: Seamlessly schedule calls and sync tasks between Florida and Israel by automatically calculating the 7-hour time difference and identifying overlapping waking hours.
  • Religious Observance Guardrails: Automatically flag and prevent the scheduling of business activities, computer use, or competitions from Friday sundown through Saturday nightfall (Shabbat).
  • Energy-Optimized Task Management: Align high-complexity tasks like coding and architecture with peak focus windows (8 AM - 12 PM EST) and suggest deferring heavy work during low-energy late-evening hours.
  • Proactive Holiday Planning: Receive alerts for upcoming major Jewish holidays (e.g., Rosh Hashanah, Passover) to ensure critical project milestones are completed before work-restricted periods begin.
  • Athletic & Academic Scheduling: Evaluate program schedules (such as D1 swimming meets) to ensure they do not conflict with religious commitments, prioritizing programs that respect observance.
namedual-timezone-skill
descriptionHandle FL/IL time conversions, Shabbat awareness, prayer time consciousness, and timezone-appropriate scheduling

Dual Timezone Skill

Manages dual timezone awareness (Florida/Israel), Shabbat observance, and time-sensitive scheduling.

When to Use This Skill

  • Displaying current time to Ariel
  • Scheduling tasks or events
  • Coordinating calls with Israel
  • Shabbat/holiday planning
  • Any time-sensitive communication

Timezones

Primary: America/New_York (Eastern Time)
Secondary: Asia/Jerusalem (Israel Time)

Time Difference:

  • Standard Time: IL is 7 hours ahead of FL
  • Daylight Saving: IL is 7 hours ahead of FL
  • (Israel doesn't observe DST same dates as US)

Display Format

Standard format:

🕐 FL: 10:00 PM EST | IL: 5:00 AM IST

When to show:

  • Starting any conversation
  • Scheduling suggestions
  • Time-sensitive decisions
  • Before/after Shabbat
  • When energy levels matter

Shabbat Observance

Shabbat Times

Friday:

  • Candle lighting: ~18 minutes before sunset (varies by location)
  • Start: Sundown Friday evening
  • NO WORK from candle lighting onward

Saturday:

  • Ends: Havdalah (nightfall, ~42 minutes after sunset)
  • NO WORK until havdalah

Shabbat Restrictions

Prohibited:

  • Computer use
  • Phone use
  • Writing/typing
  • Business activities
  • Swimming competitions (for Michael)
  • Travel (driving)

Permitted:

  • Walking
  • Reading
  • Family meals
  • Synagogue
  • Rest and study

Shabbat-Aware Scheduling

DO NOT schedule:

  • Friday after 4 PM EST (winter) / 6 PM EST (summer)
  • All day Saturday until ~8 PM EST

SAFE times:

  • Sunday-Thursday: Any time
  • Friday: Before 4 PM EST (conservative)
  • Saturday night: After 8:30 PM EST

Michael Swimming & Shabbat

CRITICAL RULE:

NO swimming competitions from Friday sundown → Saturday havdalah

When researching D1 programs:

  • Ask about meet schedules
  • Flag programs with regular Friday night/Saturday meets
  • Prioritize programs respecting religious observance

Energy Level Awareness

Florida Time Zones

High Energy (Best for Complex Tasks):

  • 8 AM - 12 PM EST: Peak focus
  • Use for: coding, architecture, decisions

Medium Energy:

  • 12 PM - 5 PM EST: Steady work
  • Use for: implementation, testing

Low Energy (Avoid Complex Work):

  • 9 PM - 11 PM EST: Winding down
  • Use for: planning, light tasks, defer heavy work

Sleep Zone:

  • 11 PM - 7 AM EST: Do not disturb
  • Exception: Urgent issues only

Task Scheduling Suggestions

Current time: 10:30 PM EST

Suggestion: "It's late evening (10:30 PM). This task could take 90 minutes. 
Better to start fresh tomorrow morning (8-9 AM EST)? Or quick version now?"

Prayer Times (Awareness)

Daily prayers (approximate):

  • Shacharit (morning): ~7-9 AM EST
  • Mincha (afternoon): ~4-6 PM EST (varies by season)
  • Maariv (evening): After nightfall

Not strict scheduling blocks, but awareness:

  • Don't expect immediate response during prayer times
  • Especially Friday evening and Saturday morning

Holiday Awareness

Major holidays (similar restrictions to Shabbat):

  • Rosh Hashanah (2 days)
  • Yom Kippur (1 day)
  • Sukkot (first 2 days, last 2 days)
  • Passover (first 2 days, last 2 days)
  • Shavuot (2 days)

Holidays → NO computer/phone work

When holiday approaches:

Note: Rosh Hashanah starts Wednesday evening. 
Let's complete critical tasks by Tuesday.

Israel Coordination

When family is in Israel:

  • Calls typically early morning FL / late afternoon IL
  • Example: 8 AM EST = 3 PM IST
  • Avoid calling after 10 PM IST (3 PM EST)

WhatsApp Usage:

  • Async communication preferred
  • Time-insensitive messages

Example Time Conversions

FL → IL (add 7 hours):
- 10 AM EST → 5 PM IST
- 3 PM EST → 10 PM IST
- 8 PM EST → 3 AM IST (next day)

IL → FL (subtract 7 hours):
- 9 AM IST → 2 AM EST (same day)
- 2 PM IST → 7 AM EST
- 8 PM IST → 1 PM EST

Shabbat Entry/Exit Times

Get from:

  • Chabad.org
  • hebcal.com
  • MyZmanim app

Example (Satellite Beach, FL - Winter):

  • Candle lighting: 5:12 PM EST Friday
  • Havdalah: 6:08 PM EST Saturday

Example (Satellite Beach, FL - Summer):

  • Candle lighting: 7:58 PM EST Friday
  • Havdalah: 8:54 PM EST Saturday

Time Display Triggers

Always show time when:

  • Starting conversation
  • Suggesting schedule
  • Before task requiring >1 hour
  • Near Shabbat (Friday 2 PM onward)
  • Energy-level-dependent decision

Format:

🕐 FL: [time] EST | IL: [time] IST

Scheduling Decision Tree

Is it Friday after 2 PM EST?
  └─→ Yes: Flag Shabbat approaching, defer non-urgent
  └─→ No: Continue

Is it Saturday before 8 PM EST?
  └─→ Yes: Shabbat - no work, provide reading/planning only
  └─→ No: Continue

Is it after 10 PM EST weeknight?
  └─→ Yes: Low energy, suggest defer complex work
  └─→ No: Proceed normally

Is task >90 minutes AND after 8 PM EST?
  └─→ Yes: Suggest start fresh tomorrow AM
  └─→ No: Proceed

Example Usage

"What time is it in FL and IL?"
→ 🕐 FL: 10:00 PM EST | IL: 5:00 AM IST

"Can we schedule a call with Israel?"
→ Best time: 8-9 AM EST (3-4 PM IST). Avoid after 3 PM EST (10 PM IST).

"Is now a good time to start this 2-hour task?"
→ It's 10 PM EST (low energy). Better to defer until tomorrow 8-9 AM?

Integration Points

With ADHD Task Management:

  • Energy levels inform task scheduling
  • Evening tasks get defer suggestions
  • Morning tasks prioritized

With Michael D1 Recruiting:

  • Shabbat blocks Friday night/Saturday meets
  • Schedule coach calls during business hours FL time

With Learning Documentation:

  • Log timezone-aware timestamps
  • Note energy level during task completion

Critical Reminders

  1. Shabbat First: No work Friday sundown → Saturday nightfall
  2. Energy Matters: Complex tasks before noon EST
  3. 7-Hour Difference: FL + 7 hours = IL time
  4. Michael No Swimming: Friday night/Saturday competitions prohibited
  5. Show Time Often: Context helps scheduling decisions