{"id":"vidhyamitra:city-day:kolhapur:1977-07-13:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/kolhapur/1977-07-13","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1977-07-13","date_display":"July 13, 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":7,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2443337.770833,"kali_year":5079,"ahargana":1854872.2708,"sun":{"sidereal_longitude":86.6373,"rashi":3,"rashi_name":"Mithuna"},"moon":{"sidereal_longitude":48.4177,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":27,"name":"Dvādaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Dvādaśī","elongation_degrees":321.7804,"elapsed_within_tithi_degrees":9.7804},"nakshatra":{"number":4,"name":"Rohiṇī","pada":3,"moon_longitude":48.4177,"elapsed_within_degrees":8.4177},"yoga":{"number":11,"name":"Vṛddhi","sum_longitude":135.055},"karana":{"half_tithi_index":53,"name":"Taitila"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"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":7,"day":13,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2443337.770833,"ahargana":1854872.2708,"kali_year":5079,"ayanamsa_lahiri":23.5391,"grahas":{"sun":{"sidereal_longitude":87.000587,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":3},"retrograde":false},"moon":{"sidereal_longitude":50.09468700000002,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":4},"retrograde":false,"latitude":-3.3676},"mars":{"sidereal_longitude":33.58158700000001,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":101.64918699999998,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":58.731487000000016,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":2},"retrograde":false},"venus":{"sidereal_longitude":43.619786999999974,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":112.87298700000002,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":179.9408,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":359.9408,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":4},"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":7,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2443337.770833,"kali_year":5079,"ahargana":1854872.2708,"sun":{"sidereal_longitude":86.6373,"rashi":3,"rashi_name":"Mithuna"},"moon":{"sidereal_longitude":48.4177,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":27,"name":"Dvādaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Dvādaśī","elongation_degrees":321.7804,"elapsed_within_tithi_degrees":9.7804},"nakshatra":{"number":4,"name":"Rohiṇī","pada":3,"moon_longitude":48.4177,"elapsed_within_degrees":8.4177},"yoga":{"number":11,"name":"Vṛddhi","sum_longitude":135.055},"karana":{"half_tithi_index":53,"name":"Taitila"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-3.368,"elongation":38.22},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-3.368,"opposition_distance":141.78}},"eclipse_window_40days":[]},"city":{"slug":"kolhapur","name":"Kolhāpur, Maharashtra","lat":16.705,"lon":74.2433,"tz_offset_hours":5.5,"state":"Maharashtra","country":"IN","tier":"tier-1"},"tier2":{"city":{"slug":"kolhapur","name":"Kolhāpur, Maharashtra","lat":16.705,"lon":74.2433,"tz_offset_hours":5.5,"state":"Maharashtra","country":"IN","tier":"tier-1"},"sunriseLocal":"06:07","sunsetLocal":"19:10","solarNoonLocal":"12:38","dayLengthHours":13.048331773618258,"dayLengthDisplay":"13 Hours 02 Mins 54 Secs","nightLengthDisplay":"10 Hours 57 Mins 06 Secs","moonriseLocal":"03:40","moonsetLocal":"16:42","rahuKala":{"name":"Rāhu Kāla","start":"12:38","end":"14:16","startHours":12.639803814102677,"endHours":14.27084528580496,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"07:45","end":"09:23","startHours":7.74667939899583,"endHours":9.377720870698113,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"11:01","end":"12:38","startHours":11.008762342400395,"endHours":12.639803814102677,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:10","end":"09:36","startHours":9.160248674471141,"endHours":9.595193066925082,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:40","end":"07:00","startHours":6.659318417860975,"endHours":7.007273931824129,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:12","end":"13:04","startHours":12.204859421648736,"endHours":13.074748206556619,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:23","end":"05:15","startHours":4.375860357477779,"endHours":5.245749142385663,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:02","end":"06:07","startHours":5.028276946158693,"endHours":6.115637927293547,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:49","end":"15:41","startHours":14.814525776372385,"endHours":15.684414561280269,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:58","end":"19:22","startHours":18.963969700911807,"endHours":19.363969700911806,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:10","end":"19:42","startHours":19.163969700911807,"endHours":19.707650191479235,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:55","end":"20:40","startHours":18.913969700911807,"endHours":20.663969700911807,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:12","end":"01:04","startHours":24.204859421648734,"endHours":25.07474820655662,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Labha","start":"06:07","end":"07:45","startHours":6.115637927293547,"endHours":7.74667939899583,"quality":"auspicious"},{"name":"Amṛta","start":"07:45","end":"09:23","startHours":7.74667939899583,"endHours":9.377720870698113,"quality":"auspicious"},{"name":"Kāla","start":"09:23","end":"11:01","startHours":9.377720870698113,"endHours":11.008762342400395,"quality":"inauspicious"},{"name":"Śubha","start":"11:01","end":"12:38","startHours":11.008762342400395,"endHours":12.639803814102677,"quality":"auspicious"},{"name":"Roga","start":"12:38","end":"14:16","startHours":12.639803814102677,"endHours":14.27084528580496,"quality":"inauspicious"},{"name":"Udveg","start":"14:16","end":"15:54","startHours":14.27084528580496,"endHours":15.901886757507242,"quality":"inauspicious"},{"name":"Chala","start":"15:54","end":"17:32","startHours":15.901886757507242,"endHours":17.532928229209524,"quality":"neutral"},{"name":"Labha","start":"17:32","end":"19:10","startHours":17.532928229209524,"endHours":19.163969700911807,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Udveg","start":"19:10","end":"20:32","startHours":19.163969700911807,"endHours":20.532928229209524,"quality":"inauspicious"},{"name":"Chala","start":"20:32","end":"21:54","startHours":20.532928229209524,"endHours":21.901886757507242,"quality":"neutral"},{"name":"Labha","start":"21:54","end":"23:16","startHours":21.901886757507242,"endHours":23.27084528580496,"quality":"auspicious"},{"name":"Amṛta","start":"23:16","end":"00:38","startHours":23.27084528580496,"endHours":24.639803814102677,"quality":"auspicious"},{"name":"Kāla","start":"00:38","end":"02:01","startHours":24.639803814102677,"endHours":26.008762342400395,"quality":"inauspicious"},{"name":"Śubha","start":"02:01","end":"03:23","startHours":26.008762342400395,"endHours":27.377720870698113,"quality":"auspicious"},{"name":"Roga","start":"03:23","end":"04:45","startHours":27.377720870698113,"endHours":28.74667939899583,"quality":"inauspicious"},{"name":"Udveg","start":"04:45","end":"06:07","startHours":28.74667939899583,"endHours":30.115637927293548,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:07","end":"07:07","startHours":6.115637927293547,"endHours":7.115637927293547,"planetary_lord":"Mercury"},{"name":"Hora 2","start":"07:07","end":"08:07","startHours":7.115637927293547,"endHours":8.115637927293548,"planetary_lord":"Venus"},{"name":"Hora 3","start":"08:07","end":"09:07","startHours":8.115637927293548,"endHours":9.115637927293548,"planetary_lord":"Sun"},{"name":"Hora 4","start":"09:07","end":"10:07","startHours":9.115637927293548,"endHours":10.115637927293548,"planetary_lord":"Mars"},{"name":"Hora 5","start":"10:07","end":"11:07","startHours":10.115637927293548,"endHours":11.115637927293548,"planetary_lord":"Jupiter"},{"name":"Hora 6","start":"11:07","end":"12:07","startHours":11.115637927293548,"endHours":12.115637927293548,"planetary_lord":"Saturn"},{"name":"Hora 7","start":"12:07","end":"13:07","startHours":12.115637927293548,"endHours":13.115637927293548,"planetary_lord":"Moon"},{"name":"Hora 8","start":"13:07","end":"14:07","startHours":13.115637927293548,"endHours":14.115637927293548,"planetary_lord":"Mercury"},{"name":"Hora 9","start":"14:07","end":"15:07","startHours":14.115637927293548,"endHours":15.115637927293548,"planetary_lord":"Venus"},{"name":"Hora 10","start":"15:07","end":"16:07","startHours":15.115637927293548,"endHours":16.115637927293548,"planetary_lord":"Sun"},{"name":"Hora 11","start":"16:07","end":"17:07","startHours":16.115637927293548,"endHours":17.115637927293548,"planetary_lord":"Mars"},{"name":"Hora 12","start":"17:07","end":"18:07","startHours":17.115637927293548,"endHours":18.115637927293548,"planetary_lord":"Jupiter"},{"name":"Hora 13","start":"18:07","end":"19:07","startHours":18.115637927293548,"endHours":19.115637927293548,"planetary_lord":"Saturn"},{"name":"Hora 14","start":"19:07","end":"20:07","startHours":19.115637927293548,"endHours":20.115637927293548,"planetary_lord":"Moon"},{"name":"Hora 15","start":"20:07","end":"21:07","startHours":20.115637927293548,"endHours":21.115637927293548,"planetary_lord":"Mercury"},{"name":"Hora 16","start":"21:07","end":"22:07","startHours":21.115637927293548,"endHours":22.115637927293548,"planetary_lord":"Venus"},{"name":"Hora 17","start":"22:07","end":"23:07","startHours":22.115637927293548,"endHours":23.115637927293548,"planetary_lord":"Sun"},{"name":"Hora 18","start":"23:07","end":"00:07","startHours":23.115637927293548,"endHours":24.115637927293548,"planetary_lord":"Mars"},{"name":"Hora 19","start":"00:07","end":"01:07","startHours":24.115637927293548,"endHours":25.115637927293548,"planetary_lord":"Jupiter"},{"name":"Hora 20","start":"01:07","end":"02:07","startHours":25.115637927293548,"endHours":26.115637927293548,"planetary_lord":"Saturn"},{"name":"Hora 21","start":"02:07","end":"03:07","startHours":26.115637927293548,"endHours":27.115637927293548,"planetary_lord":"Moon"},{"name":"Hora 22","start":"03:07","end":"04:07","startHours":27.115637927293548,"endHours":28.115637927293548,"planetary_lord":"Mercury"},{"name":"Hora 23","start":"04:07","end":"05:07","startHours":28.115637927293548,"endHours":29.115637927293548,"planetary_lord":"Venus"},{"name":"Hora 24","start":"05:07","end":"06:07","startHours":29.115637927293548,"endHours":30.115637927293548,"planetary_lord":"Sun"}],"taraBala":{"favorable_nakshatras":["Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Aśleṣā","Citrā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Karka","Tulā","Vṛścika","Kumbha","Mīna"],"unfavorable_rashis":["Meṣa","Mithuna","Siṃha","Kanyā","Dhanu","Makara"]},"dishaShool":"North (Uttara)","chandraVasa":"South-East","rahuVasa":"South-West","anandadiYoga":{"name":"Utpāta","quality":"Inauspicious"},"tropicalRitu":"Grīṣma (Summer) (tropical)","vedicRitu":"Grīṣma (Summer)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":21.866693738606376,"eotMinutes":-5.361428846160681,"ayanamsa":23.5391}},"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 (Adhika) Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Āṣāḍha","lunar_month_amanta":"Āṣāḍha","lunar_month_is_adhika":true,"lunar_month_purnimanta_is_adhika":true,"lunar_month_amanta_is_adhika":true,"solar_month":"Mithuna (Āni)","ritu":"Grīṣma (Summer)","display_summary":"Āṣāḍha (Adhika) Kṛṣṇa Dvādaśī · Vikram 2034 Pramoda · Śaka 1899 Piṅgala"},"festivals":[],"todays_walk":{"walk":{"id":"budha-walk","name":"Budha Walk","name_sanskrit":"बुध यात्रा","type":"graha","description":"Discrimination + BG 2.41 (vyavasāyātmikā buddhi).","step_count":6,"url":"/walk/budha-walk"},"reason":"Budhavāra (Wednesday) — its presiding graha's walk."},"cosmic_resonances":[{"historical_date":"-3226-07-09","event":"Bhagavān Krishna's birth at Mathurā","chart_id":"krishna","shared_marker":"same Rohiṇī","url":"/day/-3226-07-09","relevance":0.5}]},"validity":{"eternal":false,"location_specific":"kolhapur"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga July 13, 1977 CE · Kolhāpur, Maharashtra · Vidhyamitra","description":"July 13, 1977 CE for Kolhāpur, Maharashtra: Kṛṣṇa Dvādaśī, sūryodaya 06:07, sūryāsta 19:10.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/kolhapur/1977-07-13","hreflang_alternates":{"en":"https://vidhyamitra.com/city/kolhapur/1977-07-13","sa":"https://sa.vidhyamitra.com/city/kolhapur/1977-07-13","hi":"https://hi.vidhyamitra.com/city/kolhapur/1977-07-13","x-default":"https://vidhyamitra.com/city/kolhapur/1977-07-13"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T06:44:35.154Z","verification":{"type":"multi-marker","confidence":"canonical"}},{"pillar":"Vidhyamitra-Tier2","pillar_version":"0.1.0","method":"Spherical astronomy + Lahiri ayanamsa + standard solar declination + EoT correction","retrieved_at":"2026-05-31T06:44:35.154Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T06:44:35.154Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}