AST to MDT Time Converter

AST
10:40 AM
MDT
07:40 AM
10 May 2026

AST

AST (Atlantic Standard Time) is 4 hours behind Coordinated Universal Time ( UTC-3:30), used. In sections of North America and the Caribbean. Most of the Caribbean islands remain on AST throughout the year, but Canadian provinces such as Nova Scotia and New Brunswick change to Atlantic Daylight Time (ADT, UTC-3) in summer. Check the AST Time Now.

MDT

The MDT (Mountain Daylight Time) is applied in part of North America in summer, and is 6 hours behind Coordinated Universal Time (UTC−6) . It begins in March and ends in November. During winter, the people switch back to Mountain Standard Time (MST). Such a shift provides people with more time in the day to spend time outside of the office. Check the MDT Time Now.

AST to MDT Chart

AST TimeMDT Time
12:00 AM09:00 PM
01:00 AM10:00 PM
02:00 AM11:00 PM
03:00 AM12:00 AM
04:00 AM01:00 AM
05:00 AM02:00 AM
06:00 AM03:00 AM
07:00 AM04:00 AM
08:00 AM05:00 AM
09:00 AM06:00 AM
10:00 AM07:00 AM
11:00 AM08:00 AM
12:00 PM09:00 AM
01:00 PM10:00 AM
02:00 PM11:00 AM
03:00 PM12:00 PM
04:00 PM01:00 PM
05:00 PM02:00 PM
06:00 PM03:00 PM
07:00 PM04:00 PM
08:00 PM05:00 PM
09:00 PM06:00 PM
10:00 PM07:00 PM
11:00 PM08:00 PM

Convert to other time zones

AST to PST

AST to PDT

AST to MST

AST to MDT

AST to CST

AST to CDT

AST to EST

AST to EDT

AST to AKST

AST to AKDT

AST to HST

AST to ADT

AST to NST

AST to NDT

AST to GMT

AST to UTC

AST to WET

AST to WEST

AST to CET

AST to CEST

AST to MET

AST to MEST

AST to EET

AST to EEST

AST to BST

AST to MSK

AST to WAT

AST to CAT

AST to SAST

AST to EAT

AST to IST

AST to PKT

AST to WIB

AST to WITA

AST to WIT

AST to HKT

AST to JST

AST to KST

AST to IDT

AST to AWST

AST to ACST

AST to ACDT

AST to AEST

AST to AEDT

AST to NZST

AST to NZDT

AST to SST

AST to CHST