Ruling · Śītalāṣṭamī · 2083

Thursday 11 March

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 386 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 Wednesday 10 March

Aṣṭamī is absent from madhyāhna. Not taken.

madhyāhna begins 12:05  12:53 madhyāhna ends
11:1711:4112:0512:2912:5313:1713:41

0 of 48 minutes covered

Midday of Thursday 11 March

Taken. The only midday Aṣṭamī reaches.

madhyāhna begins 12:05  12:53 madhyāhna ends
11:1711:4112:0512:2912:5313:1713:41

48 of 48 minutes covered

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

How it was decided

  1. 01

    Aṅga

    Aṣṭamī runs from 21:10 on Wed 10 Mar to 19:18 on Thu 11 Mar.

    2083-03-10T13:09:52Z → 2083-03-11T11:18:25Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 12:05–12:53 on the 10th, 12:05–12:53 on the 11th.

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

  3. 03

    Rule

    Aṣṭamī must be present during madhyāhna. It covers 0 of 48 minutes on the 10th and 48 of 48 on the 11th.

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

  4. 04

    Tie-break

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

    priority: purvaviddha → only-day · margin 23146 s

  5. 05

    Ruling

    Śītalāṣṭamī, Baoding, 2083: Thursday 11 March.

    confidence: determinate

Say it like this

In Baoding, Śītalāṣṭamī 2083 falls on Thursday 11 March. Aṣṭamī runs from 21:10 on Wed 10 Mar to 19:18 on Thu 11 Mar and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2083/shitalashtami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingThu 11 Mar
Ahargaṇa, classicalDisc centre, no refractionThu 11 Mar
compat-drikpanchangComparison profileThu 11 Mar
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/shitalashtami · ruleset 2026.3-draft

Month
Phālguna, amānta
Pakṣa · aṅga
Kṛṣṇa · Aṣṭamī
Kāla
Madhyāhna
Priority
Pūrvaviddhā
Tie-break
First day
Reference
CRC 1955, p. 105

“K 8 Sitalastami, (purvaviddha)” Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105.

The same rule, elsewhere

Twelve places, west to east. Local clock times.

PlaceAṣṭamīMadhyāhna 10thCoveredMadhyāhna 11thCoveredRuled
Los Angeles05:10 → 03:1811:4048 min11:390 min10 Mar
Chicago07:10 → 05:1811:3748 min11:370 min10 Mar
Jersey City08:10 → 06:1811:4348 min11:430 min10 Mar
Port of Spain09:10 → 07:1811:5248 min11:520 min10 Mar
London13:10 → 11:1811:470 min11:470 min11 Mar
Durban15:10 → 13:1811:420 min11:4248 min11 Mar
Dubai17:10 → 15:1812:050 min12:0548 min11 Mar
Delhi18:40 → 16:4812:080 min12:0748 min11 Mar
Kolkata18:40 → 16:4811:230 min11:2348 min11 Mar
Singapore21:10 → 19:1812:510 min12:5148 min11 Mar
Sydney00:10 → 22:1812:410 min12:4148 min11 Mar
Suva01:10 → 23:1811:530 min11:5248 min11 Mar
Profile · tradition
pac-rp@2026.1 · smarta
Rule
shitalashtami@2026.3-draft
Engine · kernel
0.1.0 · de440 7eef…ea74
Boundary margin
300 s

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