Best time to call India from the UK

The UK and India share most of a working day. With only a few hours between them, there is no awkward gap to design around: your morning is their afternoon, and almost any sensible UK hour lands at a sociable time in India.

How far ahead is India?

India keeps a single time zone, India Standard Time, at UTC+5:30, and it does not change for daylight saving. The UK does, so the gap depends on the season.

The best windows to call

Because the offset is small, your whole working day overlaps with India's. Your morning and midday are the sweet spot: it is comfortably mid-afternoon in India, with plenty of the workday still left on both sides.

Your morning is the cleanest window: UK 9:00–11:00 AM is about 1:30–3:30 PM in India in summer (2:30–4:30 PM in winter). Push past UK mid-afternoon and you start running into the Indian evening, so the earlier in your day, the more of India's workday you catch.

For a business call vs a personal call

For a work call, your morning is ideal: it lands in India's early-to-mid afternoon, when colleagues are settled and the day is far from over. Even a UK lunchtime call reaches India in good time — noon in London is half past four in Mumbai in summer.

For a personal call to family, the same window works well, and you have more room to spare: a relaxed UK morning or afternoon is a sociable afternoon or early evening in India, before it gets late.

Stop checking this every time

If you call or meet India regularly, the half-hour offset and twice-yearly clock change are easy to slip up on. Atlas keeps India and your own city side by side in your Mac menu bar, shades the hours when both sides are awake, and writes any meeting to your calendar in both local times. One glance tells you whether now is a good time to call. If you are coordinating from the US instead, see calling India from the USA.