Ruling · Śrī Pañcamī · 2028

Monday 31 January

Determinatein Daqing, under the Rashtriya Panchang method. Clear of every threshold by 20 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 Monday 31 January

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

madhyāhna begins 11:30  12:18 madhyāhna ends
10:4211:0611:3011:5412:1812:4213:06

48 of 48 minutes covered

Midday of Tuesday 1 February

Qualifies with 28 of 48 minutes. Not taken.

madhyāhna begins 11:30  12:18 madhyāhna ends
Pañcamī ends 11:58:10
10:4211:0611:3011:5412:1812:4213:06

28 of 48 minutes covered, the first 28

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

How it was decided

  1. 01

    Aṅga

    Pañcamī runs from 09:45 on Mon 31 Jan to 11:58 on Tue 1 Feb.

    2028-01-31T01:45:06Z → 2028-02-01T03:58:10Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:30–12:18 on the 31st, 11:30–12:18 on the 1st.

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

  3. 03

    Rule

    Pañcamī must be present during madhyāhna. It covers 48 of 48 minutes on the 31st and 28 of 48 on the 1st.

    Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105

  4. 04

    Tie-break

    Both middays qualify. Pūrvaviddhā: the first is taken.

    priority: purvaviddha → purvaviddha · margin 1173 s

  5. 05

    Ruling

    Śrī Pañcamī, Daqing, 2028: Monday 31 January.

    confidence: determinate

Say it like this

In Daqing, Śrī Pañcamī 2028 falls on Monday 31 January. Pañcamī runs from 09:45 on Mon 31 Jan to 11:58 on Tue 1 Feb and covers all of madhyāhna that midday. It also reaches the next midday for 28 minutes; by the rule the first midday is taken.

ahargana.org/daqing/festivals/2028/shri-panchami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingMon 31 Jan
Ahargaṇa, classicalDisc centre, no refractionMon 31 Jan
compat-drikpanchangComparison profileMon 31 Jan
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/shri-panchami · ruleset 2026.3-draft

Month
Māgha, amānta
Pakṣa · aṅga
Śukla · Pañcamī
Kāla
Madhyāhna
Priority
Pūrvaviddhā
Tie-break
First day
Reference
CRC 1955, p. 105

“S 5 Sri Pancami (purvaviddha), Sarasvati puja (Bengal), Vasanta pancami, Madana pancami.” Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105.

The same rule, elsewhere

Twelve places, west to east. Local clock times.

PlacePañcamīMadhyāhna 31stCoveredMadhyāhna 1stCoveredRuled
Los Angeles17:45 → 19:5811:4348 min11:430 min31 Jan
Chicago19:45 → 21:5811:4048 min11:400 min31 Jan
Jersey City20:45 → 22:5811:4648 min11:460 min31 Jan
Port of Spain21:45 → 23:5811:5648 min11:560 min31 Jan
London01:45 → 03:5811:5048 min11:500 min31 Jan
Durban03:45 → 05:5811:4548 min11:450 min31 Jan
Dubai05:45 → 07:5812:0848 min12:080 min31 Jan
Delhi07:15 → 09:2812:1148 min12:110 min31 Jan
Kolkata07:15 → 09:2811:2648 min11:260 min31 Jan
Singapore09:45 → 11:5812:5448 min12:540 min31 Jan
Sydney12:45 → 14:5812:4447 min12:4448 min31 Jan
Suva13:45 → 15:5811:550 min11:5648 min1 Feb
Profile · tradition
pac-rp@2026.1 · smarta
Rule
shri-panchami@2026.3-draft
Engine · kernel
0.1.0 · de440 7eef…ea74
Boundary margin
300 s

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