About This Time Conversion

This page converts the local time between Ulan Bator, Mongolia (timezone Asia/Ulaanbaatar, currently ++8, GMT+8) and Philipsburg, SX (timezone America/Lower_Princes, currently --4, GMT-4). TZSync uses the IANA timezone database so conversions always account for Daylight Saving Time, half-hour offsets such as India (UTC+5:30), and quarter-hour offsets such as Nepal (UTC+5:45).

When it is daytime in Ulan Bator, the clock in Philipsburg reads a different hour, and possibly a different calendar day. Drag the time slider on this page to find an overlap where both cities are inside typical working hours (9 AM – 5 PM local time) — that overlap is your best window for meetings, calls, and collaboration between Ulan Bator and Philipsburg.

Quick Facts

• Population of Ulan Bator: 844,818.
• Population of Philipsburg: 1,400.
• Both cities follow their local IANA timezone rules maintained by the Internet Assigned Numbers Authority.
• DST transitions can temporarily shift the offset between these cities by one hour.