Working Across US and Philippine Time Zones: A Practical Guide

The most common concern about a Philippines-based assistant is time zones. In practice, it's one of the easiest parts to get right — if you plan for it. Here's how it works and how to make it sustainable.

The basics

The Philippines uses Philippine Standard Time (UTC+8) and does not observe daylight saving time. US time zones shift by an hour in spring and fall, so the gap changes during the year:

So 9 a.m. Central during US daylight time is 10 p.m. in Manila.

Working US hours is normal in the sector

The Philippines' business-services industry has served US clients for decades, and night-shift work aligned to US hours is a well-established pattern across the sector (see the industry association IBPAP). Experienced candidates know what they're signing up for. Your job is to make the schedule predictable.

Choose a schedule model

Full overlap

The assistant works your exact business hours. Best for roles with real-time demands: calendar management, live support, meeting booking.

Partial overlap

The assistant overlaps for four to six hours, with the rest of their shift before or after yours. Good for roles mixing real-time and focused work: research, reporting, bookkeeping. Work done "while you sleep" can be ready when you start your day.

Follow-the-sun

For support coverage beyond one shift, two assistants on staggered schedules. One assistant can't sustainably cover more than one 40-hour schedule.

Make handoffs explicit

Two short messages a day keep everything aligned:

• Start-of-day note (from the assistant, when you start): today's meetings, priorities and anything needing your input.
• End-of-day summary (from the assistant, when they finish): done, pending, blockers and questions for tomorrow.

Use a dedicated chat channel and a shared task list so nothing lives only in someone's head.

Plan holidays up front

Philippine public holidays don't match US holidays. Agree a holiday calendar at the start of the engagement:

• Which Philippine holidays the assistant takes off
• Which US holidays you take off (the assistant may work or swap days)
• How cover works for critical tasks

Philippine holidays are proclaimed by the government each year; your provider should share the list as soon as it's published.

Keep it sustainable

Night-shift work is sustainable when it's predictable. Good practice:

• Fixed schedules. Avoid frequent changes to start times.
• Respect the end of shift. Don't expect replies outside agreed hours except in genuine emergencies agreed in advance.
• Backup power and internet. Power outages and connectivity issues happen anywhere; ExecWing requires backup power and a backup internet connection for every assistant.
• Daylight-saving awareness. Remind your assistant before US clocks change; their shift may move by an hour.

Tools that help

• World clock in your calendar showing Manila time.
• Scheduled send so emails drafted overnight go out at sensible US times.
• Shared calendars showing the assistant's working hours.
• Async video (Loom or similar) for walkthroughs you can watch at any time.

Common mistakes

1. Assuming 24/7 availability. One person works one shift.
2. Unannounced schedule changes. Give notice when you need different hours.
3. No overlap at all for real-time roles. Calendar and live-support roles need overlap.
4. Ignoring the daylight-saving shift. Agree whether their shift follows US local time.

The time difference, worked out

Philippine Standard Time is UTC+8 all year. The Philippines does not observe daylight saving time, so the gap to US time zones changes twice a year when the US switches.

Put a reminder in your calendar for the second Sunday in March and the first Sunday in November. Those are the days when recurring meetings shift by an hour on one side.

Three schedule models compared

Most executive-assistant roles use full or partial overlap. Bookkeeping and research roles often work well asynchronously with a short daily overlap window.

A daily handoff note template

Ask the assistant to send this at the end of every shift, in the same place each day:

• Done: what was completed, with links
• In progress: what's underway and when it will be finished
• Waiting on you: decisions or approvals needed, ranked by urgency
• Heads-up: anything coming in the next 48 hours (deadlines, travel, meetings needing prep)
• Questions: anything unclear

A consistent note means no one needs to be awake at the same time for work to keep moving.

Holidays to plan for

The Philippines has regular holidays and special non-working days set by proclamation each year. Some fall on fixed dates, such as Rizal Day on December 30. Others move, such as Holy Week and Eid holidays. Agree in advance how holiday coverage works, and put both countries' holidays on a shared calendar at the start of each year.

Making night shifts sustainable

Working US hours from the Philippines is common in the outsourcing industry, but it still affects sleep and health. Leaders can help:

• Keep the schedule fixed. Rotating between day and night shifts is harder on people than a consistent night schedule.
• Avoid "just one quick thing" requests outside agreed hours. Batch them for the next shift.
• Respect the end of shift. If a task must run late, agree on time off in exchange.
• Ask how the schedule is working at the 30-day and 90-day reviews, not only how the work is going.

Finally, set up a world clock in your calendar app showing both time zones. It prevents most scheduling mistakes.

The bottom line

Time zones are a planning problem, not a blocker. Choose the right schedule model, make handoffs explicit, agree holidays up front and keep the schedule predictable — and your assistant works your US day as if they were down the hall.

Read more on why the Philippines or onboarding a remote EA.

Sources

• IT & Business Process Association of the Philippines (IBPAP).
• timeanddate.com, Current local time in Manila, Philippines.
• Official Gazette of the Republic of the Philippines, Public holidays proclamations. ---SOURCES---