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AST to CAT Time Converter

Use this AST to CAT time converter to compare Canada and South Africa time instantly. CAT is 6 hours ahead of AST, so 9:00 AM AST becomes 3:00 PM CAT and 5:00 PM AST becomes 11:00 PM CAT. 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
...
CAT Central Africa Time
...
Select a time to convert

AST to CAT Quick Facts

Use this AST to CAT converter to compare Canada and South Africa time, check the 6 hours gap, and confirm the right slot for calls, handoffs, and deadlines. Good overlap starts around 9:00 AM AST / 3:00 PM CAT.

Time Difference
Central Africa Time is 6 hours ahead of Atlantic Standard Time
Useful when deadlines, handoffs, or calls cross workday boundaries.
Best Call Window
Best overlap starts around 9:00 AM AST and 3:00 PM CAT.
Common Use Cases
Useful for remote teams, customer support windows, travel planning, webinars, and same-day deadline handoffs.

How to Convert AST to CAT

Converting between Atlantic Standard Time and Central Africa Time means accounting for a 6 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 CAT Result

The equivalent Central Africa Time (UTC +2) time appears immediately. Since CAT is 6 hours ahead of AST, most daytime conversions stay on the same calendar day.

Copy or Fine-Tune

Click "Copy Time" to grab the CAT result for your calendar or message. Use "+1d" to check how the conversion shifts across dates — useful when Daylight Saving Time changes the gap.

Why Choose Our AST to CAT Converter

Align AST–CAT Meetings Instantly

When someone in Canada suggests 9:00 AM AST, that's 3:00 PM CAT. This converter shows the overlap so both sides agree on one slot — no back-and-forth.

Spot Date-Line Shifts at a Glance

Late-night AST times can land on a different date in CAT because of the 6 hours offset. The converter labels "next day" or "previous day" next to the result so you never send a message a day early or miss a deadline.

Handles DST Transitions Automatically

Daylight Saving adjustments can widen or narrow the AST–CAT 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 CAT so you know exactly when to tune in — with a 6 hours difference, a morning event in Canada falls during work hours in South Africa.

AST to CAT Time Conversion Chart

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

Complete 24-Hour Conversion

Atlantic Standard Time to Central Africa Time full day schedule

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

Popular AST Time Converters

Explore more AST conversions for major business and travel corridors. Each page includes a 24-hour chart, time difference summary, and meeting overlap guidance.

Convert Other Time Zones to CAT

Find the time difference from any major zone into Central Africa Time. Use these pages when scheduling with South Africa from a different region.

🇿🇦 Swap direction — CAT to AST Converter