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AST to PKT Time Zone Converter — Time Difference Between San Juan and Karachi

Drag the slider or click the time display to type a specific hour and instantly convert AST to PKT. The time difference between San Juan and Karachi is 9 hours — Karachi (PKT) is ahead of San Juan (AST) (UTC-4:00 vs UTC+5:00); for example, 9:00 AM AST = 6:00 PM PKT; to convert, add 9 hours. Use this AST to PKT time zone converter to check the live current time in both cities, browse the 24-hour AST to PKT conversion table, plan international meetings, find the best overlap hours, and account for daylight saving time changes automatically.

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AST

Atlantic Standard Time

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12am6am12pm6pm12am
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Pakistan Standard Time is 9 hours ahead of Atlantic Standard Time

PKT

Pakistan Standard Time

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12am6am12pm6pm12am
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AST to PKT Time Zone Difference — Hour-by-Hour Conversion Table

Scan each row to convert any AST time to PKT and find the exact time difference between San Juan and Karachi hour by hour. Amber-highlighted rows mark standard daytime business hours, making it easy to spot overlapping work windows for scheduling international meetings or remote team calls. Tap the arrows to jump between days, click "Today" to reset, and all daylight saving time transitions are handled automatically.

AST (San Juan)PKT (Karachi)

What Time Is It Now in San Juan?

Live current local time in San Juan, Puerto Rico — AST (UTC-4:00). Updates every second.

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What Time Is It Now in Karachi?

Live current local time in Karachi, Pakistan — PKT (UTC+5:00). Updates every second.

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AST to PKT Quick Reference

Common business hours in San Juan converted to Karachi local time — handy for scheduling video calls, client meetings, and international conference calls.

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

AST & PKT Meeting Planner — Best Overlapping Hours

Use the color-coded conversion table above to find overlapping business hours between San Juan and Karachi. Amber rows mark standard daytime work hours (8 AM–6 PM local time) — pick a slot that falls in amber on both sides for a meeting time that works for everyone. Since AST (UTC-4:00) is 9 hours ahead of PKT (UTC+5:00), this time zone meeting planner is ideal for scheduling international calls, remote team standups, and cross-border project syncs.

Why Trust This San Juan to Karachi Time Zone Converter?

ConvertFlash uses the IANA Time Zone Database — the same authoritative source that powers your phone, browser, and every major operating system — so every San Juan to Karachi conversion handles daylight saving time transitions, half-hour UTC offsets, and historical time zone changes automatically. The live world clock updates every second, and the hour-by-hour conversion table regenerates correctly for any past or future date you select, making it reliable for both real-time checks and advance international scheduling.

AST — Atlantic Standard Time

San Juan, Puerto Rico — UTC offset UTC-4:00

Abbreviation
AST
UTC Offset
UTC-4:00
City
San Juan
Country
Puerto Rico

PKT — Pakistan Standard Time

Karachi, Pakistan — UTC offset UTC+5:00

Abbreviation
PKT
UTC Offset
UTC+5:00
City
Karachi
Country
Pakistan