Running the Routine From a Different Timezone

Travellers usually move the alarm clock and leave everything else alone, which works until the first session and then does not. The market opens at the same moment it always did. What moved is the body, the meal times, and every clock time written into the plan, and none of those survive a six hour shift unedited. The reason orb trading routine richiebranson keeps its schedule written in exchange time rather than local time is exactly this, because a routine anchored to the opening bell travels and one anchored to seven in the morning does not.
Rewrite the Clock Times, Not the Sequence

Every fixed time in the schedule is really a fixed offset from the cash open. Ninety minutes before, thirty minutes before, ten minutes before. Written as offsets they need no editing at all when the location changes. Written as local times they all need editing at once, which is how one item gets missed.
The item that gets missed is usually the calendar check, since scheduled releases are published in exchange time and it is easy to convert one of them wrongly.
The Sessions That Land at Three in the Morning

A shift that puts the opening bell in the middle of the night is not the same activity. Reaction time and patience are both worse, for the same reasons a short night degrades them, and the honest options are to trade at reduced size, to trade a later part of the session, or not to trade. Pretending the session is unchanged because the chart looks the same is the expensive option.
Check the Data, Not Just the Clock
Charting platforms display in a configured timezone, and that configuration sometimes follows the machine rather than the exchange. A chart that shifts by an hour puts the opening range on the wrong candles, and every level drawn from it is wrong in a way that looks completely normal. Confirm the timestamp of the first candle after the open against the known session start before anything is drawn.
Daylight saving makes this worse, because the two locations frequently change on different dates and there are weeks each year when the usual offset is not the usual offset.
Connection and Latency
A hotel network adds latency and drops packets, and both matter more on a strategy trading the first fifteen minutes than on one holding for days. Run the backup connection drill on arrival rather than assuming the usual arrangements hold. Slippage measured at home is not a valid estimate abroad.
Decide Before Leaving Whether to Trade At All
The decision is cheap in advance and expensive on the second evening of a trip. Written before departure, it survives. Left open, it becomes a nightly negotiation, and the sessions that get traded are selected by whatever the day happened to look like rather than by any rule. A week not traded costs a week of sample size and nothing else.