MST to SLST
Convert Arizona Time — Phoenix (no DST) to Sri Lanka Time — Colombo — fast, accurate, and daylight-saving aware.
When it's 9:00 AM in Phoenix, it's 9:30 PM in Colombo the previous day. Colombo is 12½ hours ahead of Phoenix. Use the converter above to turn any MST time into SLST, or scan the hour-by-hour table below for the full day.
MST to SLST at a glance
Planning a meeting between Phoenix and Colombo
Phoenix and Colombo share no standard 9-to-5 overlap, so a live call usually means one side taking an early-morning or late-evening slot. The hourly table below helps you pick the least-inconvenient time for everyone.
Hour-by-hour: Phoenix to Colombo
A full day mapped from MST to SLST.
Frequently asked
Is Colombo ahead of or behind Phoenix?
Colombo is 12½ hours ahead of Phoenix.
What is 12:00 PM MST in SLST?
12:00 PM in Phoenix is 12:30 AM in Colombo.
Does this converter account for daylight saving time?
Yes. Conversions use the IANA time zone database, so MST and SLST automatically reflect the correct daylight-saving offset for the current date.