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AST to SGT Time Converter

Use this AST to SGT time converter to compare Canada and Singapore time instantly. SGT is 12 hours ahead of AST, so 9:00 AM AST becomes 9:00 PM SGT and 5:00 PM AST becomes 5:00 AM (next day) SGT. The page is useful for business-hours overlap, international calls, remote-team handoffs, webinars, and travel planning, with daylight saving adjustments handled automatically.

AST Atlantic Standard Time
...
SGT Singapore Time
...
Select a time to convert

AST to SGT Quick Facts

Use this AST to SGT converter to compare Canada and Singapore time, check the 12 hours gap, and confirm the right slot for calls, handoffs, and deadlines. Find the best overlap for calls and meetings.

Time Difference
Singapore Time is 12 hours ahead of Atlantic Standard Time
Useful when deadlines, handoffs, or calls cross workday boundaries.
Best Call Window
Normal business hours do not overlap well here, so test early-morning or late-evening compromise slots.
Common Use Cases
Useful for remote teams, customer support windows, travel planning, webinars, and same-day deadline handoffs.

How to Convert AST to SGT

Converting between Atlantic Standard Time and Singapore Time means accounting for a 12 hours gap — here's how to do it in under 10 seconds with no sign-up.

Enter Your AST Time

Pick the date and time in Atlantic Standard Time (UTC -4) that you want to convert. Hit "Now" to load the current AST time instantly, or use "+1h" to step forward and compare.

Read the SGT Result

The equivalent Singapore Time (UTC +8) time appears immediately. Since SGT is 12 hours ahead of AST, conversions often cross midnight — look for the date-change label.

Copy or Fine-Tune

Click "Copy Time" to grab the SGT result for your calendar or message. Use "+1d" to check how the conversion shifts across dates — helpful for scheduling recurring Canada–Singapore calls.

Why Choose Our AST to SGT Converter

Align AST–SGT Meetings Instantly

With 12 hours between AST and SGT, business-hours overlap is limited. This tool instantly shows which hours work on both sides, so you can lock in a meeting without a chain of "does 3 PM work for you?" emails.

Spot Date-Line Shifts at a Glance

A AST evening at 9 PM is already the next morning in SGT. This converter flags date changes beside the result — critical when booking flights, hitting deadlines, or scheduling across the Canada–Singapore corridor.

Handles DST Transitions Automatically

Daylight Saving adjustments can widen or narrow the AST–SGT gap by an hour. During transition weeks many people get it wrong. This converter pulls the current UTC offsets automatically, so the result is right even on the changeover day.

Never Miss a AST-Timed Event

Product launches, sports matches, and webinars are often announced in AST. Convert the event time to SGT so you know exactly when to tune in — with a 12 hours difference, a morning event in Canada falls during work hours in Singapore.

AST to SGT Time Conversion Chart

Quick-reference conversion table covering every hour of the day at a glance.

Complete 24-Hour Conversion

Atlantic Standard Time to Singapore Time full day schedule

12:00 AM
AST
12:00 PM
SGT
1:00 AM
AST
1:00 PM
SGT
2:00 AM
AST
2:00 PM
SGT
3:00 AM
AST
3:00 PM
SGT
4:00 AM
AST
4:00 PM
SGT
5:00 AM
AST
5:00 PM
SGT
6:00 AM
AST
6:00 PM
SGT
7:00 AM
AST
7:00 PM
SGT
8:00 AM
AST
8:00 PM
SGT
9:00 AM
AST
9:00 PM
SGT
10:00 AM
AST
10:00 PM
SGT
11:00 AM
AST
11:00 PM
SGT
12:00 PM
AST
12:00 AM
SGT
(next day)
1:00 PM
AST
1:00 AM
SGT
(next day)
2:00 PM
AST
2:00 AM
SGT
(next day)
3:00 PM
AST
3:00 AM
SGT
(next day)
4:00 PM
AST
4:00 AM
SGT
(next day)
5:00 PM
AST
5:00 AM
SGT
(next day)
6:00 PM
AST
6:00 AM
SGT
(next day)
7:00 PM
AST
7:00 AM
SGT
(next day)
8:00 PM
AST
8:00 AM
SGT
(next day)
9:00 PM
AST
9:00 AM
SGT
(next day)
10:00 PM
AST
10:00 AM
SGT
(next day)
11:00 PM
AST
11:00 AM
SGT
(next day)