Does SIP Get Deducted on Sunday? (Complete Guide for Investors)

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Systematic Investment Plan (SIP) is one of the most popular ways to invest in mutual funds in India. However, many investors get confused about what happens when the SIP date falls on a Sunday or a market holiday; a common question by many.

In this article, I will clearly explain whether SIP gets deducted on Sunday, what actually happens, and how SIP dates work; everything in detail.

What is a SIP?

A Systematic Investment Plan (SIP) is a method of investing a fixed amount in mutual funds at regular intervals—usually monthly, weekly, or quarterly.

Investment

Instead of investing a lump sum, SIP allows you to:

  • Invest small amounts regularly.
  • Benefit from rupee cost averaging.
  • Build long-term wealth through compounding.

Most investors choose a monthly SIP where the money is automatically deducted from their bank account.

Does SIP Get Deducted on Sunday?

No, SIP deductions usually do not happen on Sundays or bank holidays.

If your SIP date falls on a Sunday or a non-working day, the deduction is automatically processed on the next working day.

Example

SIP DateDayDeduction Happens
10th MarchMonday10th March
09th MarchSunday10th March
15th August (Holiday)HolidayNext working day

So if your SIP is scheduled for Sunday, the deduction will happen on Monday or the next business day.

Why SIP Is Not Processed on Sundays!

There are two main reasons:

1. Banks Do Not Process Auto Debits.

SIP deductions are usually done through:

  • NACH mandate.
  • Auto debit.
  • UPI mandate.

Banks generally process these only on working days.

2. Stock Markets Are Closed.

Mutual funds invest in stocks and bonds, and the markets like NSE and BSE remain closed on Sundays. Therefore, the NAV (Net Asset Value) calculation and transaction processing happen only on business days.

What NAV Will You Get If SIP Falls on Sunday?

If your SIP date is Sunday, the NAV of the next working day will apply.

Example:

  • SIP Date: Sunday (5th).
  • Deduction Processed: Monday (6th).
  • NAV Applied: Monday’s NAV.

This means the purchase of mutual fund units happens based on the NAV of the next working day.

Will My SIP Fail If the Date Is Sunday?

No, your SIP will not fail.

The system automatically shifts the deduction to the next working day. You do not need to take any action.

However, the SIP may fail if:

  • Your bank balance is insufficient.
  • Your auto-debit mandate is inactive.
  • Your bank rejects the transaction.

Can I Change My SIP Date?

Yes, most mutual fund platforms allow you to change your SIP date.

Common SIP dates offered are:

  • 1st.
  • 5th.
  • 10th.
  • 15th.
  • 25th.
  • 28th.

If your chosen date frequently falls near holidays, you can change it easily through your investment platform or AMC website.

Does SIP Timing Affect Returns?

In the long run, the exact SIP date rarely matters.

Because SIP works on rupee cost averaging, you buy units at different prices over time. This helps reduce the impact of market volatility.

So whether the SIP happens on Friday or Monday, the difference is usually very small in long-term investing.

Key Takeaways.

  • SIP deductions do not happen on Sundays or bank holidays.
  • If the SIP date falls on Sunday, it is processed on the next working day.
  • The NAV of the next business day will apply.
  • You do not need to manually adjust anything.
  • Long-term SIP returns are not affected by a one-day shift.

Final Thoughts.

If your SIP date falls on Sunday, there is nothing to worry about. The deduction simply moves to the next working day, and your investment continues as usual.

For long-term investors, consistency matters far more than the exact SIP date. Staying invested and continuing your SIP regularly is the key to building wealth.

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