NPT to CST Time Converter
CST is 10 hours and 45 minutes behind NPT. NPT is UTC+5:45, and The US Central states are currently on CDT (UTC-5:00).
Best Time to Call Between NPT and CST
Standard 9-to-5 hours in these two zones never overlap, so someone has to take the call outside their working day. The most workable window is 6:00 PM to 10:00 PM NPT, which is 7:15 AM to 11:15 AM CST.
both at work NPT only CST only neither — hours along the strip are NPT.
Common Times Converted
NPT on the left, CST on the right.
NPT to CST: Full 24-Hour Conversion Table
Shaded rows are working hours; the darker shade marks the hours when both zones are at work.
| NPT | CST | Working hours |
|---|---|---|
| 12:00 AM | 1:15 PM prev day | CST only |
| 1:00 AM | 2:15 PM prev day | CST only |
| 2:00 AM | 3:15 PM prev day | CST only |
| 3:00 AM | 4:15 PM prev day | CST only |
| 4:00 AM | 5:15 PM prev day | — |
| 5:00 AM | 6:15 PM prev day | — |
| 6:00 AM | 7:15 PM prev day | — |
| 7:00 AM | 8:15 PM prev day | — |
| 8:00 AM | 9:15 PM prev day | — |
| 9:00 AM | 10:15 PM prev day | NPT only |
| 10:00 AM | 11:15 PM prev day | NPT only |
| 11:00 AM | 12:15 AM | NPT only |
| 12:00 PM | 1:15 AM | NPT only |
| 1:00 PM | 2:15 AM | NPT only |
| 2:00 PM | 3:15 AM | NPT only |
| 3:00 PM | 4:15 AM | NPT only |
| 4:00 PM | 5:15 AM | NPT only |
| 5:00 PM | 6:15 AM | — |
| 6:00 PM | 7:15 AM | — |
| 7:00 PM | 8:15 AM | — |
| 8:00 PM | 9:15 AM | CST only |
| 9:00 PM | 10:15 AM | CST only |
| 10:00 PM | 11:15 AM | CST only |
| 11:00 PM | 12:15 PM | CST only |
What NPT and CST Actually Are
NPT — Nepal Time
Kathmandu, Pokhara. Standing at UTC+5:45 as written, and the region does not change its clocks, so that offset holds all year. Nepal sits at UTC+5:45 — one of only two zones in the world on a 45-minute offset.
Nepal is deliberately 15 minutes ahead of India, an offset chosen so the country keeps its own time rather than sharing its neighbor's.
CST — Central Standard Time
Chicago, Houston, Dallas, Mexico City, Winnipeg. Standing at UTC-6:00 as written, and the region does change its clocks, so its live offset moves by an hour twice a year. The next change is on Sunday, November 1, 2026, to CST. CST also stands for China Standard Time (UTC+8) and Cuba Standard Time (UTC-5). This page covers the North American one.
Saskatchewan sits inside the Central zone but never changes its clocks, so it matches CST in winter and its neighbors' MDT in summer.
What This Means in Practice
Expect times on the half hour
NPT sits on a 45-minute offset rather than a whole hour, so a round number on one side is never a round number on the other. A 9:00 meeting becomes 45 minutes past the hour, which is exactly the detail calendar invitations get wrong when someone converts in their head.
The date changes mid-working-day
For 2 of the eight hours in a normal NPT working day, the equivalent CST time falls on a different calendar date. Anything scheduled in that stretch needs the date checked as well as the time, or a Tuesday call quietly becomes a Wednesday one at the other end.
This gap is not fixed
CST changes its clocks and NPT does not, so the difference between them moves by an hour twice a year. A recurring meeting set now will drift for one side from Sunday, November 1, 2026 unless someone resets it.
Nearly opposite sides of the clock
At 10 hours and 45 minutes apart, one side's morning is the other side's night. Handing work over at the end of a shift usually beats trying to get both parties in the same call.
Major Cities in Each Zone
Cities on NPT
Cities on CST
Frequently Asked Questions
What is the time difference between NPT and CST?
CST is 10 hours and 45 minutes behind NPT. That is the live figure. Taken strictly as written, the gap between NPT and CST is 11 hours and 45 minutes — the two differ because at least one of these regions is currently on daylight saving.
What is 9:00 AM NPT in CST?
9:00 AM NPT is 10:15 PM the previous day CST.
What are the best hours to schedule a call between NPT and CST?
Standard business hours in these two zones do not overlap at all, so one side has to work outside the 9-to-5. The most workable window is 6:00 PM to 10:00 PM NPT, which is 7:15 AM to 11:15 AM CST.
Does the difference between NPT and CST change during the year?
Yes. CST observes daylight saving and NPT does not, so the gap shifts by an hour at least twice a year. The next clock change is on Sunday, November 1, 2026.
Does NPT always mean Nepal Time?
Nepal sits at UTC+5:45 — one of only two zones in the world on a 45-minute offset.
Does CST always mean Central Standard Time?
CST also stands for China Standard Time (UTC+8) and Cuba Standard Time (UTC-5). This page covers the North American one.