The best train ticket booking reminder fires on the day your booking window opens, not on the day you travel. For regular tickets that is 60 days before the journey, with bookings opening at 8:00 AM IST. For last-minute Tatkal, it is one day before the journey, at 10:00 AM IST for AC classes and 11:00 AM IST for non-AC.
This guide shows you how to work out the exact date, what to set, and how to avoid the mistakes that make people miss the window on popular trains. Timings are as of 2026.
What should a train booking reminder actually remind you of?
A useful reminder is tied to the moment booking opens, because that is when confirmed seats are available. A reminder set for the travel date itself is too late to help.
There are two moments worth tracking:
- The advance reservation period (ARP) opening: 60 days before the journey, from 8:00 AM IST.
- The Tatkal opening: one day before the journey, at 10:00 AM IST (AC) or 11:00 AM IST (non-AC, such as Sleeper and 2S).
If you plan early, the first one matters most. Tatkal is the fallback when you could not book in the ARP window or your plans changed late.
How do I find my 60-day booking date?
Count back 60 days from your journey date. Booking for that journey opens on the resulting date at 8:00 AM IST.
For example, for travel on 15 December 2026, the window opens on 16 October 2026. For travel on 1 January 2027, it opens on 2 November 2026.
Counting by hand is easy to get wrong across months of different lengths. The booking window calculator gives you the exact date from your journey date in one step.
Why does the opening date matter so much?
On busy routes, seats in popular trains can fill up quickly after the window opens. Festival dates, long weekends and school holidays are the usual pressure points.
We cannot promise any outcome, and nobody can tell you the odds of confirmation for a specific train. What is certain is that booking on opening day gives you the widest choice of trains, classes and berths. Every day you wait, the choice only gets narrower.
When does Tatkal open, and who gets it first?
Tatkal opens one day before the journey. AC Tatkal opens at 10:00 AM IST and non-AC Tatkal at 11:00 AM IST.
The Tatkal quota is not available in every class. The AC Tatkal classes are 2A, 3A, CC and 3E. First AC (1A) and Executive Class (EC) have no Tatkal quota.
As of 2026, online Tatkal booking needs an Aadhaar-authenticated IRCTC account, and Aadhaar OTP is mandatory. Authorised agents are barred for the first 30 minutes of each window (10:00–10:30 AM for AC, 11:00–11:30 AM for non-AC). That gives verified individual users a head-start.
To see how much time is left before your window, use the Tatkal countdown.
What are the ways to set a reminder?
You can set a reminder with your phone calendar, a phone alarm, or an automated email service. All three work. They differ in how much effort they need and how easy they are to forget.
Phone calendar or alarm
Create an event on your 60-day date for 7:45 AM IST, with a 15-minute alert. Add the train number and class in the title so you know what to book.
This is free and works well for one or two trips. The weak point is that you must do the date maths yourself and remember to create the event for every trip.
Notes and sticky reminders
A note on your phone works only if you open it. Treat it as a backup, not your main system. It has no alert, so it is the easiest to miss.
An automated email reminder
An email reminder does the date calculation for you and lands in your inbox before the window opens. This helps most when you travel often or plan several trips at once.
Train Genie sends a free email reminder for both the 60-day window and Tatkal. You enter the journey date, and it tells you when to be ready. You can set it up on the booking reminder page.
What should I do before the window opens?
Be logged in and ready 10 to 15 minutes early. Most failed bookings come from preparation problems, not speed.
Use this short checklist:
- Log in to IRCTC and confirm your password works.
- Check that your account is Aadhaar-authenticated if you plan to book Tatkal.
- Save passenger details to your master list.
- Keep your payment method ready, such as UPI or a card.
- Note the train number, class and boarding station.
If the date is far away and nothing shows up, you may see a message that the train is outside the booking window. That means your date is not open yet. Our guide on train outside booking window explains what to do.
What are the most common mistakes?
The most common mistake is counting from the wrong date. The 60 days are counted back from your journey date, not from the date you decide to travel.
Other frequent mistakes:
- Setting the alert at 8:00 AM sharp. You need time to log in. Set it 10 to 15 minutes early.
- Forgetting time zones on a travel day. All IRCTC times are in IST.
- Mixing up the two windows. The 60-day window and Tatkal are separate. Tatkal only opens the day before.
- Assuming every train has the same window. Most trains follow the 60-day rule, but always confirm on the booking page for your specific train.
- Relying on Tatkal as the main plan. Tatkal seats are limited, and Tatkal tickets carry extra charges. See the Tatkal charge calculator for the amount on your class.
Should I set a reminder if I plan to use Tatkal anyway?
Yes. A Tatkal reminder is just as useful, because the opening moment is only a few minutes of competition.
Set it for one day before the journey, ahead of 10:00 AM IST for AC or 11:00 AM IST for non-AC. If you have not secured a seat in the 60-day window, this is your second chance.
For the full rules, see our guides on Tatkal booking time and the advance reservation period.
What does a full reminder timeline look like?
A good timeline has three checkpoints: the 60-day opening, a backup day or two later, and the Tatkal window. Each one is a separate alert, so you always have a second chance.
Here is an example for a family trip on 15 December 2026:
- 16 October 2026, 7:45 AM IST: Get ready. Booking opens at 8:00 AM IST.
- 17 October 2026: Check availability again if you did not get your preferred train. Cancellations can free up seats.
- 14 December 2026, 9:45 AM IST: Tatkal opens at 10:00 AM IST for AC classes, or 11:00 AM IST for non-AC.
This takes about two minutes to set up for each trip. If you travel often, repeat it for every journey so nothing depends on memory.
Keep the reminder specific. A message like "Book 12345 Delhi to Patna, 3A, 15 Dec" saves you from searching for details while the clock is running.
FAQ
When should I set a train ticket booking reminder?
Set it for 60 days before your journey date, ahead of 8:00 AM IST. That is when regular booking opens for most trains. For Tatkal, set a second reminder for one day before travel.
How many days before can I book a train ticket in India?
As of 2026, the advance reservation period for most trains is 60 days. Booking opens at 8:00 AM IST on the date that falls 60 days before your journey.
What time does Tatkal booking open?
AC Tatkal opens at 10:00 AM IST and non-AC Tatkal at 11:00 AM IST, one day before the journey. Agents are barred for the first 30 minutes of each window.
Is there a free train booking reminder?
Yes. Train Genie offers a free email reminder for the 60-day window and Tatkal windows. You can also use a phone calendar alert at no cost.
Can a reminder guarantee a confirmed ticket?
No. A reminder only makes sure you are ready when booking opens. Availability depends on the train, class and demand on that date.
Set your reminder now
Work out your date with the booking window calculator, then let us handle the alert. Train Genie sends a free email reminder for your 60-day and Tatkal windows. Set your free booking reminder.
Related guides
- Tatkal Booking Reminder: Never Miss the 10 AM and 11 AM Window — Set a Tatkal booking reminder for 2026 — what to set, when to set it, and how to be logged in on time.