SGT EST Time Converter

Convert SGT to EST instantly. Singapore Standard Time is UTC+8 and Eastern Standard Time is UTC-5 / UTC-4 (EDT) — a 13h difference. Enter any time in either field — both fully editable. Click ⇄ to swap directions.

🕐 Live Current Times

SGT
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Singapore Standard Time
13h behind
⇄ EST→SGT
EST
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Eastern Standard Time

⚡ Bidirectional Time Converter

SGT (UTC+8) → EST (UTC-5 / UTC-4 (EDT)) · Difference: 13h behind (auto-adjusts for DST)

ℹ️ Timezone Details

SGT Offset
UTC+8
EST Offset
UTC-5 / UTC-4 (EDT)
Difference
13h behind
SGT Full Name
Singapore Standard Time
EST Full Name
Eastern Standard Time
Vice Versa

🤝 Best Meeting Hours Between SGT and EST

Because EST is 13h behind of SGT, morning slots in the earlier zone generally line up with afternoon or evening in the later zone. Use this table to find windows where both sides fall within reasonable working hours.

SGTESTSuitability
7:00 AM6:00 PMGood — early start
8:00 AM7:00 PMBest overlap
9:00 AM8:00 PMBest overlap
10:00 AM9:00 PMBest overlap
11:00 AM10:00 PMGood — late window

🏙️ Cities Covered by Each Time Zone

SGT Cities
Singapore, Kuala Lumpur, Penang, Johor Bahru, George Town, Ipoh, Kuching
EST Cities
New York, Washington DC, Boston, Atlanta, Miami, Philadelphia, Toronto

📌 Zone Notes — SGT & EST

SGT: Singapore Standard Time (SGT) is fixed at UTC+8 with no Daylight Saving Time. Singapore dropped DST in 1982 and has maintained UTC+8 ever since. SGT aligns numerically with Hong Kong Time (HKT), China Standard Time (CST8), Philippine Standard Time (PST), and Australian Western Standard Time (AWST) — useful to remember when scheduling across the broader East/Southeast Asia region.

🌤️ Daylight Saving Time (DST) — What to Know

EST (Eastern Standard Time) observes Daylight Saving Time and shifts clocks by one hour in summer, while SGT (Singapore Standard Time) is fixed at UTC+8 year-round. The difference changes seasonally when EST transitions in or out of its DST period. The live converter auto-adjusts.

📋 Full 24-Hour Conversion Table — SGT to EST

SGT (12h)SGT (24h)EST (12h)EST (24h)DayType
12:00 AM00:0011:00 AM11:00-1 DayNight
1:00 AM01:0012:00 PM12:00-1 DayNight
2:00 AM02:001:00 PM13:00-1 DayNight
3:00 AM03:002:00 PM14:00-1 DayNight
4:00 AM04:003:00 PM15:00-1 DayNight
5:00 AM05:004:00 PM16:00-1 DayNight
6:00 AM06:005:00 PM17:00-1 Day
7:00 AM07:006:00 PM18:00-1 Day
8:00 AM08:007:00 PM19:00-1 Day
9:00 AM09:008:00 PM20:00-1 DayBusiness
10:00 AM10:009:00 PM21:00-1 DayBusiness
11:00 AM11:0010:00 PM22:00-1 DayBusiness
12:00 PM12:0011:00 PM23:00-1 DayBusiness
1:00 PM13:0012:00 AM00:00Business
2:00 PM14:001:00 AM01:00Business
3:00 PM15:002:00 AM02:00Business
4:00 PM16:003:00 AM03:00Business
5:00 PM17:004:00 AM04:00Business
6:00 PM18:005:00 AM05:00
7:00 PM19:006:00 AM06:00
8:00 PM20:007:00 AM07:00
9:00 PM21:008:00 AM08:00
10:00 PM22:009:00 AM09:00Night
11:00 PM23:0010:00 AM10:00Night

Table uses the fixed standard offset of 13h behind. During DST transitions the actual gap may shift by one hour — use the live converter above which adjusts automatically.

🔗 Related Converters

💡 How to Convert SGT to EST

1
Find the offset — Singapore Standard Time is UTC+8 and Eastern Standard Time is UTC-5 / UTC-4 (EDT). Difference: 13h behind.
2
Use either field — Type in the SGT box for the EST result, or type in the EST box for the SGT result. Both update instantly.
3
Swap directions — Click ⇄ to reverse, or visit the EST to SGT page.
4
Check the table — The 24-hour table shows every hour converted; business hours in green, late-night in orange. Click any row to load it into the converter.
5
Watch for day changes — "+1 Day" or "-1 Day" flags appear automatically when a conversion crosses midnight, so you never book on the wrong date.

❓ Frequently Asked Questions — SGT to EST

What is the time difference between SGT and EST?

Eastern Standard Time (EST) is 13h behind of Singapore Standard Time (SGT). SGT runs at UTC+8 and EST at UTC-5 / UTC-4 (EDT). Quick time examples: 8:00 AM SGT = 7:00 PM EST; 12:00 PM SGT = 11:00 PM EST; 5:00 PM SGT = 4:00 AM EST.

How do I convert SGT to EST manually?

To convert SGT to EST, subtract 13 hours to the SGT time. For example, 12:00 PM SGT becomes 11:00 PM EST. When the result crosses midnight, advance the date by one day (shown as "+1 Day" in the converter). The converter on this page handles all arithmetic and date-rollover automatically.

Is EST ahead of or behind SGT?

Eastern Standard Time (EST) is 13h behind of Singapore Standard Time (SGT). Reversed: SGT is 13h ahead of EST. Practical example: noon in New York (12:00 PM EST) corresponds to 1:00 AM SGT in Singapore, and 5 PM in New York corresponds to 6:00 AM SGT.

What is SGT — Singapore Standard Time?

Singapore Standard Time (SGT) is the standard civil time for Singapore and the surrounding region, operating at UTC+8 from UTC. It does not observe Daylight Saving Time; the UTC offset stays at UTC+8 every day of the year. Major cities: Singapore, Kuala Lumpur, Penang, Johor Bahru, George Town, Ipoh, Kuching.

What is EST — Eastern Standard Time?

Eastern Standard Time (EST) covers New York and the surrounding region at UTC-5 / UTC-4 (EDT) from UTC. It observes Daylight Saving Time and shifts its clocks seasonally. Cities in this zone: New York, Washington DC, Boston, Atlanta, Miami, Philadelphia, Toronto.

Does Daylight Saving Time affect the SGT to EST difference?

Yes. EST observes Daylight Saving Time and shifts its clocks by one hour in summer, while SGT stays fixed at UTC+8 year-round. The gap changes seasonally when EST transitions in or out of DST. The live converter auto-adjusts so you always see the right offset.

What is the best time to schedule a meeting between SGT and EST?

The best meeting window is where standard working hours (9 AM – 6 PM) overlap in both zones. Since EST is 13h behind of SGT, mornings in the earlier zone align with afternoons or evenings in the later zone. Target 8 AM – 11 AM in the earlier-offset zone to keep both sides in reasonable hours. The meeting hours table above shows the exact recommended slots for this pair. Any time where one side falls before 7 AM or after 9 PM is best avoided for regular team calls.

How do I convert EST back to SGT?

Type any time directly into the EST field in the bidirectional converter above — it instantly shows the SGT result. Alternatively, add 13 hours from the EST time manually. For a dedicated reverse page, visit: EST to SGT converter ↗.

Do SGT to EST conversions cross midnight?

Yes — this is a large offset, and many hours will cross midnight. When the converted time passes 11:59 PM, the date advances — the converter shows "+1 Day". When it goes before 12:00 AM, the date moves back — "-1 Day" appears. The 24-hour reference table also shows day changes in the Day column. Always check the date indicator when sending calendar invites across these two zones to avoid accidentally booking on the wrong date.

Which cities and countries use SGT?

Singapore Standard Time (SGT) is used in: Singapore, Kuala Lumpur, Penang, Johor Bahru, George Town, Ipoh, Kuching. The zone operates at UTC+8, with a constant offset all year.

Which cities and countries use EST?

Eastern Standard Time (EST) covers: New York, Washington DC, Boston, Atlanta, Miami, Philadelphia, Toronto. It runs at UTC-5 / UTC-4 (EDT)and observes Daylight Saving Time seasonally. Use the live clocks at the top of this page to see the current local time in both zones side by side.

Is 13h behind always the exact difference between SGT and EST?

The standard offset is 13h behind, but this can shift by one hour during DST transition periods. When EST moves to or from its daylight variant, the gap changes. The live converter always shows the current accurate offset.

How do I set up a recurring calendar event between SGT and EST?

When creating a recurring meeting that spans SGT and EST, set the event timezone in your calendar app using the IANA timezone names: Asia/Singapore for SGT and America/New_York for EST. Using IANA names rather than fixed UTC offsets ensures the calendar app automatically adjusts future occurrences for any DST changes, so you never accidentally schedule at the wrong time after a clock transition. For a quick lookup of any specific time, the converter on this page is the fastest way to verify both sides before you send the invite.

Does Singapore observe Daylight Saving Time?

No. Singapore has not observed Daylight Saving Time since 1982 and has maintained a fixed UTC+8 offset ever since. This makes SGT particularly easy to work with for recurring international meetings — the SGT side of any timezone pair is always exactly UTC+8, with no seasonal variation. SGT aligns numerically with Hong Kong Time (HKT), China Standard Time (CST8), Philippine Standard Time, and Australian Western Standard Time (AWST).