12306 Train Query
Query train schedules and remaining tickets from China Railway 12306. Output is an HTML file.
Query Tickets
node {baseDir}/scripts/query.mjs <from> <to> [options]The command prints the output file path to stdout and query info to stderr.
Examples
# All trains from Beijing to Shanghai (defaults to today)
node {baseDir}/scripts/query.mjs 北京 上海
# Specify a date
node {baseDir}/scripts/query.mjs 北京 上海 -d 2026-03-01
# Only high-speed trains (G)
node {baseDir}/scripts/query.mjs 北京 上海 -t G
# Morning departures, 2h max, with second class available
node {baseDir}/scripts/query.mjs 上海 杭州 -t G --depart 06:00-12:00 --max-duration 1h --seat ze
# Only bookable trains arriving before 6pm
node {baseDir}/scripts/query.mjs 深圳 长沙 --available --arrive -18:00
# Custom output path
node {baseDir}/scripts/query.mjs 广州 武汉 -o /tmp/tickets.html
# JSON output (to stdout)
node {baseDir}/scripts/query.mjs 广州 武汉 --jsonOptions
-d, --date <YYYY-MM-DD>: Travel date (default: today)-t, --type <G|D|Z|T|K>: Filter train types (combinable, e.g.GD)--depart <HH:MM-HH:MM>: Depart time range (e.g.08:00-12:00,18:00-)--arrive <HH:MM-HH:MM>: Arrive time range (e.g.-18:00,14:00-20:00)--max-duration <duration>: Max travel time (e.g.2h,90m,1h30m)--available: Only show bookable trains--seat <types>: Only show trains with tickets for given seat types (comma-separated:swz,zy,ze,rw,dw,yw,yz,wz)-o, --output <path>: Output HTML file path (default:{baseDir}/data/<from>-<to>-<date>.html)--json: Output raw JSON to stdout
Output Columns
| Column | Meaning |
|---|---|
| 商务/特等 | Business class / Premium (swz) |
| 一等座 | First class (zy) |
| 二等座 | Second class (ze) |
| 软卧/动卧 | Soft sleeper / Bullet sleeper (rw/dw) |
| 硬卧 | Hard sleeper (yw) |
| 硬座 | Hard seat (yz) |
| 无座 | Standing (wz) |
Values: number = remaining seats, 有 = available (qty unknown), — = not applicable
Station Lookup
node {baseDir}/scripts/stations.mjs 杭州
node {baseDir}/scripts/stations.mjs 香港西九龙Notes
- Data comes directly from 12306 official API (no key needed)
- Station data is cached for 7 days in
{baseDir}/data/stations.json - Supports city names (resolves to main station) or exact station names
- Works for all train types: G (高铁), D (动车), Z (直达), T (特快), K (快速)