Ruling · Mitra Saptamī · 2079

Thursday 30 November

Determinatein Daqing, under the Rashtriya Panchang method. Clear of every threshold by 16 minutes.

Decide it for

DaqingDelhiKolkataSingaporeSydneyJersey City

46°35′ N 125°00′ E · Asia/Shanghai · GeoNames 2037860

The two middays

One ghaṭī is 24 minutes. Madhyāhna is 1 ghaṭikā either side of midday.

Midday of Thursday 30 November

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

madhyāhna begins 11:05  11:53 madhyāhna ends
10:1710:4111:0511:2911:5312:1712:41

48 of 48 minutes covered

Midday of Friday 1 December

Qualifies with 32 of 48 minutes. Not taken.

madhyāhna begins 11:05  11:53 madhyāhna ends
Saptamī ends 11:36:50
10:1710:4111:0511:2911:5312:1712:41

32 of 48 minutes covered, the first 32

Saptamī presentMadhyāhna, the window the rule readsThe instant the tithi begins or ends

How it was decided

  1. 01

    Aṅga

    Saptamī runs from 09:54 on Thu 30 Nov to 11:37 on Fri 1 Dec.

    2079-11-30T01:53:41Z → 2079-12-01T03:36:51Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:05–11:53 on the 30th, 11:05–11:53 on the 1st.

    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 30th and 32 of 48 on the 1st.

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

  4. 04

    Tie-break

    Both middays qualify. Pūrvaviddhā: the first is taken.

    priority: purvaviddha → purvaviddha · margin 964 s

  5. 05

    Ruling

    Mitra Saptamī, Daqing, 2079: Thursday 30 November.

    confidence: determinate

Say it like this

In Daqing, Mitra Saptamī 2079 falls on Thursday 30 November. Saptamī runs from 09:54 on Thu 30 Nov to 11:37 on Fri 1 Dec and covers all of madhyāhna that midday. It also reaches the next midday for 32 minutes; by the rule the first midday is taken.

ahargana.org/daqing/festivals/2079/mitra-saptami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingThu 30 Nov
Ahargaṇa, classicalDisc centre, no refractionThu 30 Nov
compat-drikpanchangComparison profileThu 30 Nov
No institution has a recorded ruling for Daqing.

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 30thCoveredMadhyāhna 1stCoveredRuled
Los Angeles17:54 → 19:3711:1848 min11:180 min30 Nov
Chicago19:54 → 21:3711:1548 min11:160 min30 Nov
Jersey City20:54 → 22:3711:2148 min11:210 min30 Nov
Port of Spain21:54 → 23:3711:3148 min11:310 min30 Nov
London01:54 → 03:3711:2548 min11:260 min30 Nov
Durban03:54 → 05:3711:2148 min11:210 min30 Nov
Dubai05:54 → 07:3711:4348 min11:440 min30 Nov
Delhi07:24 → 09:0711:4648 min11:460 min30 Nov
Kolkata07:24 → 09:0711:0148 min11:020 min30 Nov
Singapore09:54 → 11:3712:2948 min12:300 min30 Nov
Sydney12:54 → 14:3712:2014 min12:2048 min30 Nov
Suva13:54 → 15:3711:310 min11:3148 min1 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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