Ruling · Vivasvat Saptamī · 2025

Tuesday 1 July

Determinatein Ujjain, under the Rashtriya Panchang method. Clear of every threshold by 7 min 55 s.

Decide it for

UjjainDelhiKolkataSingaporeSydneyJersey City

23°11′ N 75°47′ E · Asia/Kolkata · GeoNames 1253914

The two middays

One ghaṭī is 24 minutes. Madhyāhna is 1 ghaṭikā either side of midday.

Midday of Tuesday 1 July

Taken. The only midday Saptamī reaches.

madhyāhna begins 12:07  12:55 madhyāhna ends
11:1911:4312:0712:3112:5513:1913:43

48 of 48 minutes covered

Midday of Wednesday 2 July

Saptamī is absent from madhyāhna. Not taken.

madhyāhna begins 12:07  12:55 madhyāhna ends
Saptamī ends 11:59:02
11:1911:4312:0712:3112:5513:1913:43

0 of 48 minutes covered

Saptamī presentMadhyāhna, the window the rule readsThe instant the tithi begins or ends

How it was decided

  1. 01

    Aṅga

    Saptamī runs from 10:21 on Tue 1 Jul to 11:59 on Wed 2 Jul.

    2025-07-01T04:51:10Z → 2025-07-02T06:29:02Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 12:07–12:55 on the 1st, 12:07–12:55 on the 2nd.

    madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′

  3. 03

    Rule

    Saptamī must be present during madhyāhna. It covers 48 of 48 minutes on the 1st and 0 of 48 on the 2nd.

    Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102

  4. 04

    Tie-break

    Only one midday qualifies. No tie-break is needed.

    priority: purvaviddha → only-day · margin 475 s

  5. 05

    Ruling

    Vivasvat Saptamī, Ujjain, 2025: Tuesday 1 July.

    confidence: determinate

Say it like this

In Ujjain, Vivasvat Saptamī 2025 falls on Tuesday 1 July. Saptamī runs from 10:21 on Tue 1 Jul to 11:59 on Wed 2 Jul and covers all of madhyāhna that midday.

ahargana.org/ujjain/festivals/2025/vivasvat-saptami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingTue 1 Jul
Ahargaṇa, classicalDisc centre, no refractionTue 1 Jul
compat-drikpanchangComparison profileTue 1 Jul
No institution has a recorded ruling for Ujjain.

Institutional rulings are recorded with a source address, and are never edited to agree.

The rule, as data

/rules/vivasvat-saptami · ruleset 2026.3-draft

Month
Āṣāḍha, amānta
Pakṣa · aṅga
Śukla · Saptamī
Kāla
Madhyāhna
Priority
Pūrvaviddhā
Tie-break
First day
Reference
CRC 1955, p. 102

“S 7 Vivasvat saptami (purvaviddha).” Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102.

The same rule, elsewhere

Twelve places, west to east. Local clock times.

PlaceSaptamīMadhyāhna 1stCoveredMadhyāhna 2ndCoveredRuled
Los Angeles21:51 → 23:2912:3348 min12:330 min1 Jul
Chicago23:51 → 01:2912:3048 min12:310 min1 Jul
Jersey City00:51 → 02:2912:3648 min12:360 min1 Jul
Port of Spain00:51 → 02:2911:4648 min11:460 min1 Jul
London05:51 → 07:2912:4048 min12:400 min1 Jul
Durban06:51 → 08:2911:3648 min11:360 min1 Jul
Dubai08:51 → 10:2911:5948 min11:590 min1 Jul
Delhi10:21 → 11:5912:0148 min12:010 min1 Jul
Kolkata10:21 → 11:5911:1648 min11:1742 min1 Jul
Singapore12:51 → 14:2912:4441 min12:4548 min1 Jul
Sydney14:51 → 16:2911:350 min11:3548 min2 Jul
Suva16:51 → 18:2911:460 min11:4648 min2 Jul
Profile · tradition
pac-rp@2026.1 · smarta
Rule
vivasvat-saptami@2026.3-draft
Engine · kernel
0.1.0 · de440 7eef…ea74
Boundary margin
300 s