AST to MST Converter

Convert between Atlantic Standard Time (AST) and Mountain Standard Time (MST). Click either time field to change the time.

AST and MST time converter

AST uses UTC-04:00. MST uses UTC-07:00.

AST UTC-04:00

MST UTC-07:00

Daylight saving note: this abbreviation page uses the offset for the abbreviation in the URL. Standard and daylight variants are separate pages, such as PST/PDT or EST/EDT. City-level pages need IANA time zones such as America/Los_Angeles to switch automatically.

AST to MST chart

AST time	MST time

Convert other time zones to MST

These converters use MST as the target time zone.

ACDT to MST ACST to MST ADT to MST AEDT to MST AEST to MST AKDT to MST AKST to MST AST to MST AWST to MST BST to MST CAT to MST CDT to MST CDT to MST CEST to MST CET to MST ChST to MST CST to MST CST to MST CST to MST EAT to MST EDT to MST EEST to MST EET to MST EST to MST GMT to MST HDT to MST HKT to MST HST to MST IDT to MST IST to MST IST to MST IST to MST JST to MST KST to MST MDT to MST MEST to MST MET to MST MSK to MST NDT to MST NST to MST NZDT to MST NZST to MST PDT to MST PHT to MST PKT to MST PST to MST SAST to MST SST to MST UTC to MST WAT to MST WEST to MST WET to MST WIB to MST WIT to MST WITA to MST