Ruling · Śītalāṣṭamī · 2028

Saturday 18 March

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 366 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 Friday 17 March

Aṣṭamī is absent from madhyāhna. Not taken.

madhyāhna begins 12:03  12:51 madhyāhna ends
11:1511:3912:0312:2712:5113:1513:39

0 of 48 minutes covered

Midday of Saturday 18 March

Taken. The only midday Aṣṭamī reaches.

madhyāhna begins 12:02  12:50 madhyāhna ends
11:1411:3812:0212:2612:5013:1413:38

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 18:57 on Fri 17 Mar to 20:01 on Sat 18 Mar.

    2028-03-17T10:56:43Z → 2028-03-18T12:00:53Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 12:03–12:51 on the 17th, 12:02–12:50 on the 18th.

    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 17th and 48 of 48 on the 18th.

    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 21959 s

  5. 05

    Ruling

    Śītalāṣṭamī, Baoding, 2028: Saturday 18 March.

    confidence: determinate

Say it like this

In Baoding, Śītalāṣṭamī 2028 falls on Saturday 18 March. Aṣṭamī runs from 18:57 on Fri 17 Mar to 20:01 on Sat 18 Mar and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2028/shitalashtami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSat 18 Mar
Ahargaṇa, classicalDisc centre, no refractionSat 18 Mar
compat-drikpanchangComparison profileSat 18 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 17thCoveredMadhyāhna 18thCoveredRuled
Los Angeles03:57 → 05:0112:3748 min12:370 min17 Mar
Chicago05:57 → 07:0112:3548 min12:350 min17 Mar
Jersey City06:57 → 08:0112:4148 min12:400 min17 Mar
Port of Spain06:57 → 08:0111:5048 min11:500 min17 Mar
London10:57 → 12:0111:4548 min11:4516 min17 Mar
Durban12:57 → 14:0111:400 min11:4048 min18 Mar
Dubai14:57 → 16:0112:030 min12:0348 min18 Mar
Delhi16:27 → 17:3112:060 min12:0548 min18 Mar
Kolkata16:27 → 17:3111:210 min11:2148 min18 Mar
Singapore18:57 → 20:0112:490 min12:4948 min18 Mar
Sydney21:57 → 23:0112:390 min12:3948 min18 Mar
Suva22:57 → 00:0111:500 min11:5048 min18 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

About Ahargaṇa