{"id":"vidhyamitra:day:1977-06-30:en","page_class":"VM-1-day","url":"https://vidhyamitra.com/day/1977-06-30","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1977-06-30","date_display":"June 30, 1977 CE","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":1977,"month":6,"day":30,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2443324.770833,"kali_year":5079,"ahargana":1854859.2708,"sun":{"sidereal_longitude":74.3316,"rashi":3,"rashi_name":"Mithuna"},"moon":{"sidereal_longitude":240.3597,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":14,"name":"Caturdaśī","paksha":"Śukla","full_name":"Śukla Caturdaśī","elongation_degrees":166.0281,"elapsed_within_tithi_degrees":10.0281},"nakshatra":{"number":19,"name":"Mūla","pada":1,"moon_longitude":240.3597,"elapsed_within_degrees":0.3597},"yoga":{"number":24,"name":"Śukla","sum_longitude":314.6913},"karana":{"half_tithi_index":27,"name":"Vaṇija"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"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":1977,"month":6,"day":30,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2443324.770833,"ahargana":1854859.2708,"kali_year":5079,"ayanamsa_lahiri":23.5386,"grahas":{"sun":{"sidereal_longitude":74.60648400000002,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":3},"retrograde":false},"moon":{"sidereal_longitude":239.053584,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":4},"retrograde":false,"latitude":3.8855},"mars":{"sidereal_longitude":24.332683999999972,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":74.93348400000002,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":55.855884,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":1},"retrograde":false},"venus":{"sidereal_longitude":29.806783999999993,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":111.375384,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":180.6296,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":0.6296,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":1},"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":1977,"month":6,"day":30,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2443324.770833,"kali_year":5079,"ahargana":1854859.2708,"sun":{"sidereal_longitude":74.3316,"rashi":3,"rashi_name":"Mithuna"},"moon":{"sidereal_longitude":240.3597,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":14,"name":"Caturdaśī","paksha":"Śukla","full_name":"Śukla Caturdaśī","elongation_degrees":166.0281,"elapsed_within_tithi_degrees":10.0281},"nakshatra":{"number":19,"name":"Mūla","pada":1,"moon_longitude":240.3597,"elapsed_within_degrees":0.3597},"yoga":{"number":24,"name":"Śukla","sum_longitude":314.6913},"karana":{"half_tithi_index":27,"name":"Vaṇija"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":3.885,"elongation":166.028},"lunar":{"type":"lunar","occurs":false,"moon_latitude":3.885,"opposition_distance":13.972}},"eclipse_window_40days":[]},"calendars":{"vikram_samvat":2034,"vikram_samvatsara":"Pramoda","saka_samvat":1899,"saka_samvatsara":"Piṅgala","bengali_samvat":1384,"malayalam_era":1153,"nanakshahi_year":508,"lunar_month":"Āṣāḍha","lunar_month_paksha_full":"Āṣāḍha Śukla Pakṣa","solar_month":"Mithuna (Āni)","ritu":"Grīṣma (Summer)","display_summary":"Āṣāḍha Śukla Caturdaśī · Vikram 2034 Pramoda · Śaka 1899 Piṅgala"},"festivals":[{"id":"mithuna-sankranti","name":"Mithuna Saṅkrānti","name_sanskrit":"मिथुन सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Gemini.","vrata":false,"detection":{"sun_rashi":"Mithuna"},"precedence":5}],"todays_walk":{"walk":{"id":"guru-walk","name":"Bṛhaspati Walk","name_sanskrit":"गुरु यात्रा","type":"graha","description":"Wisdom transmission + BG 4.34.","step_count":8,"url":"/walk/guru-walk"},"reason":"Guruvāra (Thursday) — its presiding graha's walk."},"cosmic_resonances":[]},"validity":{"eternal":false,"valid_from":"1977-06-30T00:00:00Z"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate; Vidhyamitra substrate"},"seo":{"title":"Pañchāṅga June 30, 1977 CE · Vidhyamitra","description":"Vedic pañchāṅga for June 30, 1977 CE: Śukla Caturdaśī · Mūla.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/day/1977-06-30","hreflang_alternates":{"en":"https://vidhyamitra.com/day/1977-06-30","sa":"https://sa.vidhyamitra.com/day/1977-06-30","hi":"https://hi.vidhyamitra.com/day/1977-06-30","x-default":"https://vidhyamitra.com/day/1977-06-30"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-14T08:52:48.451Z","verification":{"type":"multi-marker","confidence":"canonical"}}],"meta":{"generated_at":"2026-05-14T08:52:48.451Z","pillar_versions":{"BOB-History":"Pūrṇa"}}}