Ruling · Mitra Saptamī · 1973

Sunday 2 December

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 383 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 Saturday 1 December

Saptamī is absent from madhyāhna. Not taken.

madhyāhna begins 11:43  12:31 madhyāhna ends
10:5511:1911:4312:0712:3112:5513:19

0 of 48 minutes covered

Midday of Sunday 2 December

Taken. The only midday Saptamī reaches.

madhyāhna begins 11:43  12:31 madhyāhna ends
10:5511:1911:4312:0712:3112:5513:19

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 18:54 on Sat 1 Dec to 20:47 on Sun 2 Dec.

    1973-12-01T10:54:18Z → 1973-12-02T12:46:59Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:43–12:31 on the 1st, 11:43–12:31 on the 2nd.

    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 1st and 48 of 48 on the 2nd.

    Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104

  4. 04

    Tie-break

    Only one midday qualifies. No tie-break is needed.

    priority: purvaviddha → only-day · margin 23000 s

  5. 05

    Ruling

    Mitra Saptamī, Baoding, 1973: Sunday 2 December.

    confidence: determinate

Say it like this

In Baoding, Mitra Saptamī 1973 falls on Sunday 2 December. Saptamī runs from 18:54 on Sat 1 Dec to 20:47 on Sun 2 Dec and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1973/mitra-saptami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSun 2 Dec
Ahargaṇa, classicalDisc centre, no refractionSun 2 Dec
compat-drikpanchangComparison profileSun 2 Dec
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/mitra-saptami · ruleset 2026.3-draft

Month
Mārgaśīrṣa, amānta
Pakṣa · aṅga
Śukla · Saptamī
Kāla
Madhyāhna
Priority
Pūrvaviddhā
Tie-break
First day
Reference
CRC 1955, p. 104

“S 7 Mitra saptami (purvaviddha).” Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104.

The same rule, elsewhere

Twelve places, west to east. Local clock times.

PlaceSaptamīMadhyāhna 1stCoveredMadhyāhna 2ndCoveredRuled
Los Angeles02:54 → 04:4711:1848 min11:180 min1 Dec
Chicago04:54 → 06:4711:1648 min11:160 min1 Dec
Jersey City05:54 → 07:4711:2148 min11:220 min1 Dec
Port of Spain06:54 → 08:4711:3148 min11:320 min1 Dec
London10:54 → 12:4711:2548 min11:2648 min1 Dec
Durban12:54 → 14:4711:210 min11:2148 min2 Dec
Dubai14:54 → 16:4711:440 min11:4448 min2 Dec
Delhi16:24 → 18:1711:460 min11:4648 min2 Dec
Kolkata16:24 → 18:1711:010 min11:0248 min2 Dec
Singapore18:24 → 20:1712:000 min12:0048 min2 Dec
Sydney21:54 → 23:4712:200 min12:2148 min2 Dec
Suva22:54 → 00:4711:310 min11:3248 min2 Dec
Profile · tradition
pac-rp@2026.1 · smarta
Rule
mitra-saptami@2026.3-draft
Engine · kernel
0.1.0 · de440 7eef…ea74
Boundary margin
300 s

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