Ruling · Vivasvat Saptamī · 2016

Monday 11 July

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 291 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 10 July

Saptamī is absent from madhyāhna. Not taken.

madhyāhna begins 11:59  12:47 madhyāhna ends
11:1111:3511:5912:2312:4713:1113:35

0 of 48 minutes covered

Midday of Monday 11 July

Taken. The only midday Saptamī reaches.

madhyāhna begins 12:00  12:48 madhyāhna ends
11:1211:3612:0012:2412:4813:1213:36

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 17:39 on Sun 10 Jul to 19:42 on Mon 11 Jul.

    2016-07-10T09:38:47Z → 2016-07-11T11:42:17Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:59–12:47 on the 10th, 12:00–12:48 on the 11th.

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

  3. 03

    Rule

    Saptamī must be present during madhyāhna. It covers 0 of 48 minutes on the 10th and 48 of 48 on the 11th.

    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 17484 s

  5. 05

    Ruling

    Vivasvat Saptamī, Baoding, 2016: Monday 11 July.

    confidence: determinate

Say it like this

In Baoding, Vivasvat Saptamī 2016 falls on Monday 11 July. Saptamī runs from 17:39 on Sun 10 Jul to 19:42 on Mon 11 Jul and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2016/vivasvat-saptami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingMon 11 Jul
Ahargaṇa, classicalDisc centre, no refractionMon 11 Jul
compat-drikpanchangComparison profileMon 11 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 10thCoveredMadhyāhna 11thCoveredRuled
Los Angeles02:39 → 04:4212:3448 min12:340 min10 Jul
Chicago04:39 → 06:4212:3248 min12:320 min10 Jul
Jersey City05:39 → 07:4212:3848 min12:380 min10 Jul
Port of Spain05:39 → 07:4211:4848 min11:480 min10 Jul
London10:39 → 12:4212:4248 min12:421 min10 Jul
Durban11:39 → 13:4211:3747 min11:3848 min10 Jul
Dubai13:39 → 15:4212:000 min12:0048 min11 Jul
Delhi15:09 → 17:1212:020 min12:0348 min11 Jul
Kolkata15:09 → 17:1211:180 min11:1848 min11 Jul
Singapore17:39 → 19:4212:460 min12:4648 min11 Jul
Sydney19:39 → 21:4211:370 min11:3748 min11 Jul
Suva21:39 → 23:4211:480 min11:4848 min11 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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