🕐 PST to CST Converter

What is the PST to CST Converter?

Pacific Time and Central Time are two of the four time zones spanning the continental United States, and they are the easiest pair to convert between precisely because they move in lockstep. Pacific Time (covering Los Angeles, Seattle, San Francisco, and Las Vegas) sits at UTC-08:00 as Pacific Standard Time (PST) in winter and UTC-07:00 as Pacific Daylight Time (PDT) in summer. Central Time (covering Chicago, Dallas, Houston, and Minneapolis) sits at UTC-06:00 as Central Standard Time (CST) in winter and UTC-05:00 as Central Daylight Time (CDT) in summer. Because the United States moves every observing zone forward on the second Sunday of March and back on the first Sunday of November under the Energy Policy Act of 2005, Pacific and Central switch on the identical calendar day. The distance between them, 2 hours, never changes.

That constant gap is a genuine convenience, but it is worth understanding why it holds rather than just memorizing the number. If Pacific and Central used different daylight saving rules, or if one of them did not observe daylight saving at all (as Arizona's Mountain Time zone famously does not), the 2 hour gap would compress or stretch for part of the year, exactly the kind of trap that catches people converting between US Eastern and India Standard Time, or US Pacific and Arizona. With Pacific and Central, no such trap exists: whether it is January, June, or the exact week of a DST changeover, Chicago clocks read 2 hours later than Los Angeles clocks. The only real hazard is a name mix-up, calling a Pacific time "PST" in July when it is actually PDT, or writing "CST" for a Chicago meeting in June when it is really CDT, which does not change the math here but can cause confusion when the label gets copied into an email or calendar invite read by someone unfamiliar with the seasonal names.

Under the hood, this tool uses the Intl.DateTimeFormat API built into every modern browser, which draws on the IANA Time Zone Database, the same reference dataset that phones, operating systems, and servers use to track time zone rules worldwide. The wall-clock numbers you type for Los Angeles are first treated as a rough UTC guess, the tool checks what offset America/Los_Angeles actually observes at that instant, then corrects the guess using that real offset. The corrected instant is then rendered as Chicago local time using the America/Chicago zone identifier, and the displayed offsets and hour gap come from that same real lookup rather than a hardcoded assumption, so the logic would automatically stay correct even if either zone's DST rules ever changed in the future.

This conversion comes up constantly for anyone coordinating across the western and central United States: a remote team with engineers in Seattle and support staff in Chicago, a retailer syncing store hours between Los Angeles and Dallas, a broadcaster scheduling a segment that airs live in both time zones, or a family splitting time between the West Coast and the Midwest trying to plan a call. Because the calculation runs entirely in your browser, nothing about the date, time, or purpose of your conversion is sent anywhere.

When to use it

• Scheduling a call or meeting between a US West Coast office and a Central Time team without misjudging daylight saving status on either side.
• Converting a webinar, product launch, or live-streamed event listed in Pacific Time into the correct Central Time for Midwest and Texas attendees.
• Working out shift handoff times for support, engineering, or retail operations split between Pacific and Central offices.
• Checking what time a flight, TV broadcast, or online sale listed in Pacific Time actually starts for someone in Chicago, Dallas, or Minneapolis.

How to use the PST to CST Converter

1. Enter the date and time exactly as a clock in Los Angeles (America/Los_Angeles) would show it.
2. Or click "Use current Pacific time" to fill in the present moment automatically.
3. Read the equivalent Central Time shown below, including whether each side is on standard or daylight time for that date.
4. Use the Copy button to grab the converted Central Time result for a message, calendar invite, or note.

Formula & method

Worked examples

Pacific to Central hour gap, all year

Quick reference: common Pacific Time hours converted to Central Time

Common mistakes to avoid

• Assuming the gap must vary because most US zone pairs do. People used to converting between, say, Eastern and Pacific (which stays a fixed 3 hours too, incidentally) or Eastern and India (which does vary) sometimes overthink Pacific to Central and second-guess a correct 2 hour answer. The gap really is fixed at 2 hours in every season because both zones share the same US daylight saving calendar.
• Mislabeling the season name. Calling a summer Pacific time "PST" or a summer Central time "CST" is common but technically wrong; those names apply to the winter, standard-time period. It does not change the 2 hour math here, but it can confuse a recipient who takes the label literally.
• Forgetting the date can roll over. Because Central Time is ahead of Pacific Time, a late evening time in Los Angeles can land after midnight in Chicago. Always confirm the resulting date, not just the clock time, for anything scheduled after roughly 10 PM Pacific.
• Confusing Central Time with Mountain Time. Mountain Time sits between Pacific and Central and is only 1 hour ahead of Pacific, not 2. Double-check which zone a Midwest or Texas contact is actually in before assuming "Central" when they might mean Denver or Phoenix, which are Mountain, not Central.

Glossary

PST

Pacific Standard Time, the US Pacific zone offset of UTC-08:00 used outside the daylight saving window.

PDT

Pacific Daylight Time, the US Pacific zone offset of UTC-07:00 used during the daylight saving window, roughly mid-March to early November.

CST

Central Standard Time, the US Central zone offset of UTC-06:00 used outside the daylight saving window.

CDT

Central Daylight Time, the US Central zone offset of UTC-05:00 used during the daylight saving window.

UTC

Coordinated Universal Time, the neutral global reference every time zone offset is measured against.

IANA time zone database

The standardized, regularly updated dataset of time zone rules and historical offsets that browsers and operating systems use to resolve zones like America/Los_Angeles and America/Chicago correctly.

Frequently asked questions