Ruling · Vivasvat Saptamī · 2084

Monday 10 July

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 500 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 9 July

Saptamī is absent from madhyāhna. Not taken.

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

0 of 48 minutes covered

Midday of Monday 10 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 21:08 on Sun 9 Jul to 21:18 on Mon 10 Jul.

    2084-07-09T13:08:03Z → 2084-07-10T13:18:13Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 12:00–12:48 on the 9th, 12:00–12:48 on the 10th.

    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 9th and 48 of 48 on the 10th.

    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 30018 s

  5. 05

    Ruling

    Vivasvat Saptamī, Baoding, 2084: Monday 10 July.

    confidence: determinate

Say it like this

In Baoding, Vivasvat Saptamī 2084 falls on Monday 10 July. Saptamī runs from 21:08 on Sun 9 Jul to 21:18 on Mon 10 Jul and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2084/vivasvat-saptami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingMon 10 Jul
Ahargaṇa, classicalDisc centre, no refractionMon 10 Jul
compat-drikpanchangComparison profileMon 10 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 9thCoveredMadhyāhna 10thCoveredRuled
Los Angeles06:08 → 06:1812:3548 min12:350 min9 Jul
Chicago08:08 → 08:1812:3248 min12:320 min9 Jul
Jersey City09:08 → 09:1812:3848 min12:380 min9 Jul
Port of Spain09:08 → 09:1811:4848 min11:480 min9 Jul
London14:08 → 14:1812:420 min12:4248 min10 Jul
Durban15:08 → 15:1811:380 min11:3848 min10 Jul
Dubai17:08 → 17:1812:000 min12:0148 min10 Jul
Delhi18:38 → 18:4812:030 min12:0348 min10 Jul
Kolkata18:38 → 18:4811:180 min11:1848 min10 Jul
Singapore21:08 → 21:1812:460 min12:4648 min10 Jul
Sydney23:08 → 23:1811:370 min11:3748 min10 Jul
Suva01:08 → 01:1811:480 min11:4848 min10 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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