Common time zone mistakes (and how to avoid them)

Mistakes we see often

Avoid these patterns when coordinating internationally:

• Using abbreviations like CST or IST without a city—they map to multiple offsets.
• Assuming every country observes DST because yours does.
• Forgetting date rollovers on late-night calls across the Pacific.
• Scheduling India with whole-hour math (UTC+5:30 breaks on-the-hour alignment).
• Trusting a printed offset table from five years ago after policy changes.
• Listing only 'US' or 'Russia' without a zone when multiple apply.
• Setting recurring meetings once and never revisiting DST weeks.

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