Ruling · Vivasvat Saptamī · 1952

Sunday 29 June

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 205 minutes.

Decide it for

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 29 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 30 June

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 06:45 on Sun 29 Jun to 08:32 on Mon 30 Jun.

    1952-06-28T22:45:14Z → 1952-06-30T00:32:25Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:57–12:45 on the 29th, 11:58–12:46 on the 30th.

    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 29th and 0 of 48 on the 30th.

    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 12308 s

  5. 05

    Ruling

    Vivasvat Saptamī, Baoding, 1952: Sunday 29 June.

    confidence: determinate

Say it like this

In Baoding, Vivasvat Saptamī 1952 falls on Sunday 29 June. Saptamī runs from 06:45 on Sun 29 Jun to 08:32 on Mon 30 Jun and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1952/vivasvat-saptami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSun 29 Jun
Ahargaṇa, classicalDisc centre, no refractionSun 29 Jun
compat-drikpanchangComparison profileSun 29 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 28thCoveredMadhyāhna 30thCoveredRuled
Los Angeles15:45 → 17:3212:320 min12:330 min29 Jun
Chicago17:45 → 19:3212:300 min12:300 min29 Jun
Jersey City18:45 → 20:3212:350 min12:360 min29 Jun
Port of Spain18:45 → 20:3211:450 min11:460 min29 Jun
London23:45 → 01:3212:400 min12:400 min29 Jun
Durban00:45 → 02:3211:350 min11:350 min29 Jun
Dubai02:45 → 04:3211:580 min11:580 min29 Jun
Delhi04:15 → 06:0212:000 min12:010 min29 Jun
Kolkata04:15 → 06:0211:160 min11:160 min29 Jun
Singapore06:15 → 08:0212:140 min12:140 min29 Jun
Sydney08:45 → 10:3211:340 min11:350 min29 Jun
Suva10:45 → 12:3211:450 min11:4647 min29 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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