Ruling · Vivasvat Saptamī · 1936

Thursday 25 June

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 24 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 Thursday 25 June

Taken. Both middays qualify; the rule takes the first.

madhyāhna begins 11:56  12:44 madhyāhna ends
Saptamī begins 12:20:52
11:0811:3211:5612:2012:4413:0813:32

24 of 48 minutes covered, the last 24

Midday of Friday 26 June

Qualifies with 48 of 48 minutes. Not taken.

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

48 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 12:21 on Thu 25 Jun to 14:17 on Fri 26 Jun.

    1936-06-25T04:20:53Z → 1936-06-26T06:16:49Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:56–12:44 on the 25th, 11:57–12:45 on the 26th.

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

  3. 03

    Rule

    Saptamī must be present during madhyāhna. It covers 24 of 48 minutes on the 25th and 48 of 48 on the 26th.

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

  4. 04

    Tie-break

    Both middays qualify. Pūrvaviddhā: the first is taken.

    priority: purvaviddha → purvaviddha · margin 1416 s

  5. 05

    Ruling

    Vivasvat Saptamī, Baoding, 1936: Thursday 25 June.

    confidence: determinate

Say it like this

In Baoding, Vivasvat Saptamī 1936 falls on Thursday 25 June. Saptamī runs from 12:21 on Thu 25 Jun to 14:17 on Fri 26 Jun and covers 24 of 48 minutes of madhyāhna that midday. It also reaches the next midday for 48 minutes; by the rule the first midday is taken.

ahargana.org/baoding/festivals/1936/vivasvat-saptami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingThu 25 Jun
Ahargaṇa, classicalDisc centre, no refractionThu 25 Jun
compat-drikpanchangComparison profileThu 25 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 25thCoveredMadhyāhna 26thCoveredRuled
Los Angeles20:21 → 22:1711:3148 min11:320 min25 Jun
Chicago23:21 → 01:1712:2948 min12:290 min25 Jun
Jersey City00:21 → 02:1712:3548 min12:350 min25 Jun
Port of Spain00:21 → 02:1711:4548 min11:450 min25 Jun
London05:21 → 07:1712:3948 min12:390 min25 Jun
Durban06:21 → 08:1711:3448 min11:350 min25 Jun
Dubai08:21 → 10:1711:5748 min11:570 min25 Jun
Delhi09:51 → 11:4711:5948 min12:000 min25 Jun
Kolkata09:51 → 11:4711:1548 min11:1532 min25 Jun
Singapore11:41 → 13:3712:0348 min12:0348 min25 Jun
Sydney14:21 → 16:1711:340 min11:3448 min26 Jun
Suva16:21 → 18:1711:450 min11:4548 min26 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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