Ruling · Vivasvat Saptamī · 2072

Thursday 21 July

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 257 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 Thursday 21 July

Taken. The only midday Saptamī reaches.

madhyāhna begins 12:01  12:49 madhyāhna ends
11:1311:3712:0112:2512:4913:1313:37

48 of 48 minutes covered

Midday of Friday 22 July

Saptamī is absent from madhyāhna. Not taken.

madhyāhna begins 12:01  12:49 madhyāhna ends
11:1311:3712:0112:2512:4913:1313:37

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 07:43 on Thu 21 Jul to 05:49 on Fri 22 Jul.

    2072-07-20T23:43:24Z → 2072-07-21T21:48:46Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 12:01–12:49 on the 21st, 12:01–12:49 on the 22nd.

    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 21st and 0 of 48 on the 22nd.

    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 15436 s

  5. 05

    Ruling

    Vivasvat Saptamī, Baoding, 2072: Thursday 21 July.

    confidence: determinate

Say it like this

In Baoding, Vivasvat Saptamī 2072 falls on Thursday 21 July. Saptamī runs from 07:43 on Thu 21 Jul to 05:49 on Fri 22 Jul and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2072/vivasvat-saptami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingThu 21 Jul
Ahargaṇa, classicalDisc centre, no refractionThu 21 Jul
compat-drikpanchangComparison profileThu 21 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 20thCoveredMadhyāhna 21stCoveredRuled
Los Angeles16:43 → 14:4912:360 min12:3648 min21 Jul
Chicago18:43 → 16:4912:330 min12:3348 min21 Jul
Jersey City19:43 → 17:4912:390 min12:3948 min21 Jul
Port of Spain19:43 → 17:4911:490 min11:4948 min21 Jul
London00:43 → 22:4912:430 min12:4348 min21 Jul
Durban01:43 → 23:4911:390 min11:3948 min21 Jul
Dubai03:43 → 01:4912:010 min12:0148 min21 Jul
Delhi05:13 → 03:1912:040 min12:0448 min21 Jul
Kolkata05:13 → 03:1911:190 min11:1948 min21 Jul
Singapore07:43 → 05:4912:470 min12:4748 min21 Jul
Sydney09:43 → 07:4911:380 min11:3848 min21 Jul
Suva11:43 → 09:4911:490 min11:4948 min21 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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