Ruling · Vivasvat Saptamī · 1925

Sunday 28 June

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 391 minutes.

Decide it for

BaodingDelhiKolkataSingaporeSydneyJersey City

38°52′ N 115°28′ E · Asia/Shanghai · GeoNames 1816971

The two middays

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

Midday of Sunday 28 June

Taken. The only midday Saptamī reaches.

madhyāhna begins 11:57  12:45 madhyāhna ends
11:0911:3311:5712:2112:4513:0913:33

48 of 48 minutes covered

Midday of Monday 29 June

Saptamī is absent from madhyāhna. Not taken.

madhyāhna begins 11:57  12:45 madhyāhna ends
11:0911:3311:5712:2112:4513:0913:33

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 04:19 on Sun 28 Jun to 05:26 on Mon 29 Jun.

    1925-06-27T20:18:57Z → 1925-06-28T21:25:57Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:57–12:45 on the 28th, 11:57–12:45 on the 29th.

    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 28th and 0 of 48 on the 29th.

    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 23474 s

  5. 05

    Ruling

    Vivasvat Saptamī, Baoding, 1925: Sunday 28 June.

    confidence: determinate

Say it like this

In Baoding, Vivasvat Saptamī 1925 falls on Sunday 28 June. Saptamī runs from 04:19 on Sun 28 Jun to 05:26 on Mon 29 Jun and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1925/vivasvat-saptami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSun 28 Jun
Ahargaṇa, classicalDisc centre, no refractionSun 28 Jun
compat-drikpanchangComparison profileSun 28 Jun
No institution has a recorded ruling for Baoding.

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 27thCoveredMadhyāhna 28thCoveredRuled
Los Angeles12:19 → 13:2611:321 min11:3248 min27 Jun
Chicago15:19 → 16:2612:290 min12:3048 min28 Jun
Jersey City16:19 → 17:2612:350 min12:3548 min28 Jun
Port of Spain16:19 → 17:2611:450 min11:4548 min28 Jun
London21:19 → 22:2612:390 min12:3948 min28 Jun
Durban22:19 → 23:2611:350 min11:3548 min28 Jun
Dubai00:19 → 01:2611:570 min11:5848 min28 Jun
Delhi01:49 → 02:5612:000 min12:0048 min28 Jun
Kolkata01:49 → 02:5611:150 min11:1548 min28 Jun
Singapore03:19 → 04:2611:430 min11:4348 min28 Jun
Sydney06:19 → 07:2611:340 min11:3448 min28 Jun
Suva08:19 → 09:2611:450 min11:4548 min28 Jun
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

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