{"id":"vidhyamitra:day:-0547-07-28:en","page_class":"VM-1-day","url":"https://vidhyamitra.com/day/-0547-07-28","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"-0547-07-28","date_display":"July 28, 548 BCE","panchanga":{"method":"Sūrya Siddhānta + Bhāskara-II iterative manda + Kerala-school (Mādhava-Nīlakaṇṭha) evection + variation + annual equation","engine_version":"2.0 (Kerala-school enhanced)","accuracy_note":"Sub-degree on Moon at any Kali-Yuga date (~2-5° residual max)","tradition_chain":"Āryabhaṭa(499) → Brahmagupta(628) → Bhāskara II(1150) → Mādhava(~1400) → Parameśvara(1430) → Nīlakaṇṭha(1501) → this","input":{"year":-547,"month":7,"day":28,"hour":6,"minute":30,"second":0,"calendar":"julian"},"julian_day":1521474.770833,"kali_year":2555,"ahargana":933009.2708,"sun":{"sidereal_longitude":134.4171,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":16.6993,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":21,"name":"Ṣaṣṭhī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Ṣaṣṭhī","elongation_degrees":242.2822,"elapsed_within_tithi_degrees":2.2822},"nakshatra":{"number":2,"name":"Bharaṇī","pada":2,"moon_longitude":16.6993,"elapsed_within_degrees":3.366},"yoga":{"number":12,"name":"Dhruva","sum_longitude":151.1164},"karana":{"half_tithi_index":40,"name":"Gara"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"sky":{"method":"Sūrya-Siddhāntic Bhāskara-II 4-step iteration with atan2-based śīghra + varying peripheries + lunar latitude","engine_version":"3.0 (Pūrṇa — complete SS implementation)","tradition_sources":"Āryabhaṭīya 499 CE → SS Ch.1-5 Burgess 1860 → Siddhānta-Śiromaṇi Bhāskara II 1150 → Tantrasaṅgraha Nīlakaṇṭha 1501","input":{"year":-547,"month":7,"day":28,"hour":6,"minute":30,"calendar":"julian"},"julian_day":1521474.770833,"ahargana":933009.2708,"kali_year":2555,"ayanamsa_lahiri":-11.7187,"grahas":{"sun":{"sidereal_longitude":134.4171,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":1},"retrograde":false},"moon":{"sidereal_longitude":16.6993,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":2},"retrograde":false,"latitude":-3.3415},"mars":{"sidereal_longitude":78.3271,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":116.1937,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Āśleṣā","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":128.5083,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":3},"retrograde":false},"venus":{"sidereal_longitude":121.1637,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":235.0351,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":64.6789,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":5,"name":"Mṛgaśīrṣā","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":244.6789,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":2},"retrograde":false}},"panchang":{"method":"Sūrya Siddhānta + Bhāskara-II iterative manda + Kerala-school (Mādhava-Nīlakaṇṭha) evection + variation + annual equation","engine_version":"2.0 (Kerala-school enhanced)","accuracy_note":"Sub-degree on Moon at any Kali-Yuga date (~2-5° residual max)","tradition_chain":"Āryabhaṭa(499) → Brahmagupta(628) → Bhāskara II(1150) → Mādhava(~1400) → Parameśvara(1430) → Nīlakaṇṭha(1501) → this","input":{"year":-547,"month":7,"day":28,"hour":6,"minute":30,"second":0,"calendar":"julian"},"julian_day":1521474.770833,"kali_year":2555,"ahargana":933009.2708,"sun":{"sidereal_longitude":134.4171,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":16.6993,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":21,"name":"Ṣaṣṭhī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Ṣaṣṭhī","elongation_degrees":242.2822,"elapsed_within_tithi_degrees":2.2822},"nakshatra":{"number":2,"name":"Bharaṇī","pada":2,"moon_longitude":16.6993,"elapsed_within_degrees":3.366},"yoga":{"number":12,"name":"Dhruva","sum_longitude":151.1164},"karana":{"half_tithi_index":40,"name":"Gara"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-3.342,"elongation":117.718},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-3.342,"opposition_distance":62.282}},"eclipse_window_40days":[]},"calendars":{"vikram_samvat":-490,"saka_samvat":-625,"bengali_samvat":-1140,"malayalam_era":-1371,"nanakshahi_year":-2016,"lunar_month":"Bhādrapada","lunar_month_paksha_full":"Bhādrapada Kṛṣṇa Pakṣa","solar_month":"Siṃha (Āvaṇi)","ritu":"Varṣā (Monsoon)","display_summary":"Bhādrapada Kṛṣṇa Ṣaṣṭhī · Vikram -490 undefined · Śaka -625 undefined"},"festivals":[{"id":"balarama-jayanti","name":"Balarāma Jayantī (Hala-Ṣaṣṭhī)","name_sanskrit":"बलराम जयन्ती","tradition":"Vaishnava","associated_deity":"Balarāma (Krishna's elder brother; ādi-śeṣa)","significance":"Birth of Bala-deva, Krishna's elder brother and Saṅkarṣaṇa.","vrata":true,"detection":{"tithi_number":21,"tithi_paksha":"Kṛṣṇa","lunar_month":"Bhādrapada"},"precedence":3,"sources":["Bhāgavata 10.2-3"]},{"id":"simha-sankranti","name":"Siṁha Saṅkrānti","name_sanskrit":"सिंह सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Leo.","vrata":false,"detection":{"sun_rashi":"Siṃha"},"precedence":5}],"todays_walk":{"walk":{"id":"shukra-walk","name":"Śukra Walk","name_sanskrit":"शुक्र यात्रा","type":"graha","description":"Beauty + creativity in dharma + BG 10.36.","step_count":5,"url":"/walk/shukra-walk"},"reason":"Śukravāra (Friday) — its presiding graha's walk."},"cosmic_resonances":[]},"validity":{"eternal":true},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate; Vidhyamitra substrate"},"seo":{"title":"Pañchāṅga July 28, 548 BCE · Vidhyamitra","description":"Vedic pañchāṅga for July 28, 548 BCE: Kṛṣṇa Ṣaṣṭhī · Bharaṇī.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/day/-0547-07-28","hreflang_alternates":{"en":"https://vidhyamitra.com/day/-0547-07-28","sa":"https://sa.vidhyamitra.com/day/-0547-07-28","hi":"https://hi.vidhyamitra.com/day/-0547-07-28","x-default":"https://vidhyamitra.com/day/-0547-07-28"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-26T06:39:20.771Z","verification":{"type":"multi-marker","confidence":"canonical"}}],"meta":{"generated_at":"2026-05-26T06:39:20.771Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa"}}}