By Justine Vendil, Founder of VA Workers PH · Published June 15, 2026 · Updated September 25, 2026
Working across a 12-16 hour time difference with US clients is one of the biggest adjustments new VAs face — and when contracts don't work out, poor communication timing is often a bigger factor than skill.
The Philippines is UTC+8 all year with no daylight saving time. Your clock never moves; your clients' clocks do.
US Eastern (New York, Florida): UTC-5 in winter and UTC-4 during US daylight saving time. That puts it 13 hours behind the Philippines in winter and 12 hours behind in summer.
US Pacific (California, Washington): UTC-8 in winter and UTC-7 during daylight saving, so 16 hours behind the Philippines in winter and 15 hours behind in summer.
UK (London): UTC+0 in winter and UTC+1 during British Summer Time, so 8 hours behind the Philippines in winter and 7 hours behind in summer.
Australian Eastern (Sydney, Melbourne): UTC+10 normally and UTC+11 during Australian daylight saving, so 2 hours ahead of the Philippines normally and 3 hours ahead during their daylight saving period. Brisbane (Queensland) does not observe daylight saving, so it is always 2 hours ahead.
Seasons are reversed: US and UK daylight saving runs roughly March to late October or early November, while Australia's runs roughly October to early April. Exact dates vary by country and year, so check a reliable world clock.
9am US Eastern: In winter, 9am in New York is 10pm in Manila the same day. In summer, 9am in New York is 9pm in Manila. So once US daylight saving begins, your client's 9am start arrives one hour earlier in your evening.
5pm US Eastern: In winter, 5pm in New York is 6am the next day in Manila. In summer, it is 5am. A US East Coast client (UTC-5) working 9am-5pm has almost zero natural overlap with a standard PH 9am-5pm day, because their whole workday falls between 10pm and 6am your time in winter.
9am US Pacific: In winter, 9am in Los Angeles is 1am the next day in Manila. In summer, it is midnight.
9am UK: In winter, 9am in London is 5pm in Manila. In summer, it is 4pm. UK roles are one of the easiest ways to keep an evening schedule.
9am Sydney: During Australian daylight saving, 9am in Sydney is 6am in Manila. Outside it, 9am in Sydney is 7am in Manila. For a Brisbane client, 9am there is always 7am in Manila.
Before accepting a role, map out exactly how many working hours actually overlap between your schedule and your client's. You're either shifting your hours, or you're operating almost entirely asynchronously. Both are workable, but you need to know which one you're signing up for.
How to calculate it: Convert the client's hours into PH time, put your proposed hours beside them, and count the shared hours. Do it for both their winter and summer.
For example, suppose you propose working 8pm to 4am PH time for an East Coast client who works 9am to 5pm. In winter, your shift equals 7am to 3pm Eastern, so you overlap from 9am to 3pm their time, which is six hours. In summer, your same shift equals 8am to 4pm Eastern, so you overlap from 9am to 4pm, which is seven hours. Your schedule did not change, but the overlap did.
For a UK client working 9am to 5pm, a PH shift of 5pm to 1am gives you 9am to 5pm in London during winter, a full overlap. In summer, the same shift equals 10am to 6pm London time, so you would either start an hour earlier, at 4pm PH time, or miss the first hour of their day.
A recurring call booked at 9pm Manila time can suddenly arrive at 10pm or 8pm after a changeover without anyone touching the invite.
Put it in your calendar: Add a reminder a week before each changeover for every client country, then re-check recurring meetings and your shift start.
Tell the client which clock anchors the schedule: Agree whether your hours are fixed in PH time or in their time. If your contract says "9am to 5pm Eastern," your PH hours move by an hour twice a year. If it says "9pm to 5am PH time," their view of your hours moves instead. Either is fine, but it must be clear.
Watch the mismatched weeks: The US and UK do not change on the same dates, so for a few weeks each spring and autumn the gap between them is different from usual. If you work with both a US and a UK client, or with a US company that has a UK team, double-check meeting times during those weeks.
Most calendar apps let you show a second time zone alongside your own. Set it to your main client's city, not a fixed UTC offset, so it updates automatically when their daylight saving changes.
A world clock widget helps for quick checks, and scheduling-link tools let clients book calls in their own time zone while showing you the PH equivalent. When you write a time in a message, include both zones, such as "Tuesday 9pm PH / 9am ET." Features and pricing of these tools change, so check the current details on each provider's site.
Front-load context in every message — don't send "can we talk?" and wait; send what you need to discuss along with it, so the client can respond fully even without a live call. Use a shared doc or task tracker (Trello, Asana, Notion) as the single source of truth, so status doesn't depend on you being online to answer "where are we on X."
Send an end-of-day update: Before you log off, send a short message with three parts: what you finished, what is in progress and when it will be done, and anything you need from the client. A good update reads like this: "Done today: scheduled next week's posts and replied to 14 customer emails. In progress: the supplier spreadsheet, finished by my tomorrow morning. Need from you: approval on the two refund requests I flagged."
Ask blocking questions early: Ask at the start of your shift, not the end, or one question can cost a full day.
Offer a default: "Blue or green template? If I don't hear back, I'll go with blue" keeps work moving.
Set a clear "core hours" expectation with your client early — e.g. "I'm online 8pm-4am PH time, I check messages every 2 hours during that window" — so they're not wondering if you've gone quiet. Also agree what happens outside those hours: which kinds of issues are urgent enough to message you about, and how quickly you'll respond to non-urgent messages that arrive while you're offline, such as by the start of your next shift.
Full-time or high-touch VA roles (executive assistant, live chat support) usually need real-time overlap — shifting to a night schedule is often the trade-off for higher pay and steadier work. Project-based or task-based roles (content, admin, research) can often stay fully async with almost no live overlap needed, which suits VAs who want to keep a daytime PH schedule.
Split shifts as a middle ground: Some VAs work part of their hours in the PH morning or afternoon on async tasks, then log back on for two or three hours during the client's morning for calls and live questions. Agree on it in writing and protect a real sleep block so you are not effectively "on" all day.
Time zone flexibility can slide into "always available" if you don't set a boundary early. Agree on specific working hours in writing before you start, and communicate proactively (not defensively) if something is going to fall outside them — clients respect a clear "I'll have this by [time], which is my morning" far more than silence followed by a late delivery.
Before your next interview, calculate your overlap with the client in both seasons. For more on client expectations by country, read US vs. Australian vs. UK clients, and see avoiding burnout as a remote worker if night shifts are wearing you down.
About the author
Justine Vendil is the founder of VA Workers PH and its Facebook community of 280,000+ members. Justine has worked remotely since 2021, earning in dollars as a freelancer in marketing, writing, and community management.
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