Booking opens
16 June 2026
Tuesday · 08:00 IST
ARP
60
days before
For your journey
Saturday, 15 August 2026
Tatkal (1 day prior)
10:00 IST · AC/11:00 IST · Sleeper
60d
← All trains
12259
Sealdah-New Delhi AC Duronto Express
Kolkata Sealdah → Kolkata Sealdah. Booking opens 60 days before the train departs Kolkata Sealdah, at 8:00 AM IST.
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irctc.co.in · official site
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Route & halts
1 commercial halts. Booking for the whole run opens on the same date — 60 days before departure from Kolkata Sealdah.
SDAHKolkata Sealdah
Origin · Day 1FAQ
When does booking open for 12259?
60 days in advance, at 8:00 AM IST, counted from the day Sealdah-New Delhi AC Duronto Express departs Kolkata Sealdah. Pick your departure date above for the exact day.
Does my boarding station change the booking date?
No — the window is anchored to the origin (Kolkata Sealdah). Everyone on a given run can book from the same date, wherever they board.
How fast does Sealdah-New Delhi AC Duronto Express sell out?
Popular trains can fill within minutes of 8 AM, especially around festivals. Set a reminder above so you're ready the moment booking opens.
Not affiliated with IRCTC or Indian Railways. Route data is indicative — always confirm on the official IRCTC site. Short-ARP trains may differ; this assumes the standard 60-day window.