Ruling · Vivasvat Saptamī · 1911

Sunday 2 July

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 398 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 2 July

Taken. The only midday Saptamī reaches.

madhyāhna begins 11:58  12:46 madhyāhna ends
11:1011:3411:5812:2212:4613:1013:34

48 of 48 minutes covered

Midday of Monday 3 July

Saptamī is absent from madhyāhna. Not taken.

madhyāhna begins 11:58  12:46 madhyāhna ends
11:1011:3411:5812:2212:4613:1013:34

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 05:19 on Sun 2 Jul to 05:07 on Mon 3 Jul.

    1911-07-01T21:19:24Z → 1911-07-02T21:07:22Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:58–12:46 on the 2nd, 11:58–12:46 on the 3rd.

    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 2nd and 0 of 48 on the 3rd.

    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 23894 s

  5. 05

    Ruling

    Vivasvat Saptamī, Baoding, 1911: Sunday 2 July.

    confidence: determinate

Say it like this

In Baoding, Vivasvat Saptamī 1911 falls on Sunday 2 July. Saptamī runs from 05:19 on Sun 2 Jul to 05:07 on Mon 3 Jul and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1911/vivasvat-saptami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSun 2 Jul
Ahargaṇa, classicalDisc centre, no refractionSun 2 Jul
compat-drikpanchangComparison profileSun 2 Jul
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 1stCoveredMadhyāhna 2ndCoveredRuled
Los Angeles13:19 → 13:0711:320 min11:3348 min2 Jul
Chicago15:19 → 15:0711:300 min11:3048 min2 Jul
Jersey City16:19 → 16:0711:360 min11:3648 min2 Jul
Port of Spain17:19 → 17:0711:460 min11:4648 min2 Jul
London21:19 → 21:0711:400 min11:4048 min2 Jul
Durban23:19 → 23:0711:350 min11:3648 min2 Jul
Dubai01:00 → 00:4811:390 min11:3948 min2 Jul
Delhi02:49 → 02:3712:000 min12:0148 min2 Jul
Kolkata02:49 → 02:3711:160 min11:1648 min2 Jul
Singapore04:19 → 04:0711:440 min11:4448 min2 Jul
Sydney07:19 → 07:0711:350 min11:3548 min2 Jul
Suva09:14 → 09:0211:410 min11:4148 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

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