{"id":"vidhyamitra:city-day:kolhapur:1977-05-18:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/kolhapur/1977-05-18","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1977-05-18","date_display":"May 18, 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":5,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2443281.770833,"kali_year":5079,"ahargana":1854816.2708,"sun":{"sidereal_longitude":33.4725,"rashi":2,"rashi_name":"Vṛṣabha"},"moon":{"sidereal_longitude":33.8342,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":1,"name":"Pratipada","paksha":"Śukla","full_name":"Śukla Pratipada","elongation_degrees":0.3616,"elapsed_within_tithi_degrees":0.3616},"nakshatra":{"number":3,"name":"Kṛttikā","pada":3,"moon_longitude":33.8342,"elapsed_within_degrees":7.1675},"yoga":{"number":6,"name":"Atigaṇḍa","sum_longitude":67.3067},"karana":{"half_tithi_index":0,"name":"Kiṃstughna"},"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":5,"day":18,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2443281.770833,"ahargana":1854816.2708,"kali_year":5079,"ayanamsa_lahiri":23.537,"grahas":{"sun":{"sidereal_longitude":33.45592599999998,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":3},"retrograde":false},"moon":{"sidereal_longitude":32.603926,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":2},"retrograde":false,"latitude":-2.311},"mars":{"sidereal_longitude":352.449226,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":12.069125999999983,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":45.94402600000001,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":2},"retrograde":false},"venus":{"sidereal_longitude":352.085726,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":107.55742600000002,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":182.908,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":2.908,"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":5,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2443281.770833,"kali_year":5079,"ahargana":1854816.2708,"sun":{"sidereal_longitude":33.4725,"rashi":2,"rashi_name":"Vṛṣabha"},"moon":{"sidereal_longitude":33.8342,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":1,"name":"Pratipada","paksha":"Śukla","full_name":"Śukla Pratipada","elongation_degrees":0.3616,"elapsed_within_tithi_degrees":0.3616},"nakshatra":{"number":3,"name":"Kṛttikā","pada":3,"moon_longitude":33.8342,"elapsed_within_degrees":7.1675},"yoga":{"number":6,"name":"Atigaṇḍa","sum_longitude":67.3067},"karana":{"half_tithi_index":0,"name":"Kiṃstughna"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-2.311,"elongation":0.362},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-2.311,"opposition_distance":179.638}},"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":"06:01","sunsetLocal":"18:57","solarNoonLocal":"12:29","dayLengthHours":12.936488840709437,"dayLengthDisplay":"12 Hours 56 Mins 11 Secs","nightLengthDisplay":"11 Hours 03 Mins 49 Secs","moonriseLocal":"05:59","moonsetLocal":"18:53","rahuKala":{"name":"Rāhu Kāla","start":"12:29","end":"14:06","startHours":12.488960296825507,"endHours":14.106021401914187,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"07:38","end":"09:15","startHours":7.637776981559467,"endHours":9.254838086648146,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"10:52","end":"12:29","startHours":10.871899191736826,"endHours":12.488960296825507,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:02","end":"09:28","startHours":9.03922993930299,"endHours":9.470446233993304,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:34","end":"06:54","startHours":6.5597362448336805,"endHours":6.904709280585932,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:03","end":"12:55","startHours":12.057744002135193,"endHours":12.92017659151582,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:18","end":"05:09","startHours":4.295850697709529,"endHours":5.158283287090159,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:57","end":"06:01","startHours":4.942675139745001,"endHours":6.0207158764707875,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:39","end":"15:30","startHours":14.645041770277079,"endHours":15.507474359657708,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:45","end":"19:09","startHours":18.757204717180226,"endHours":19.157204717180225,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:57","end":"19:30","startHours":18.957204717180225,"endHours":19.49622508554312,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:42","end":"20:27","startHours":18.707204717180225,"endHours":20.457204717180225,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:03","end":"00:55","startHours":24.05774400213519,"endHours":24.920176591515823,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Labha","start":"06:01","end":"07:38","startHours":6.0207158764707875,"endHours":7.637776981559467,"quality":"auspicious"},{"name":"Amṛta","start":"07:38","end":"09:15","startHours":7.637776981559467,"endHours":9.254838086648146,"quality":"auspicious"},{"name":"Kāla","start":"09:15","end":"10:52","startHours":9.254838086648146,"endHours":10.871899191736826,"quality":"inauspicious"},{"name":"Śubha","start":"10:52","end":"12:29","startHours":10.871899191736826,"endHours":12.488960296825507,"quality":"auspicious"},{"name":"Roga","start":"12:29","end":"14:06","startHours":12.488960296825507,"endHours":14.106021401914187,"quality":"inauspicious"},{"name":"Udveg","start":"14:06","end":"15:43","startHours":14.106021401914187,"endHours":15.723082507002864,"quality":"inauspicious"},{"name":"Chala","start":"15:43","end":"17:20","startHours":15.723082507002864,"endHours":17.340143612091545,"quality":"neutral"},{"name":"Labha","start":"17:20","end":"18:57","startHours":17.340143612091545,"endHours":18.957204717180225,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Udveg","start":"18:57","end":"20:20","startHours":18.957204717180225,"endHours":20.340143612091545,"quality":"inauspicious"},{"name":"Chala","start":"20:20","end":"21:43","startHours":20.340143612091545,"endHours":21.723082507002864,"quality":"neutral"},{"name":"Labha","start":"21:43","end":"23:06","startHours":21.723082507002864,"endHours":23.106021401914187,"quality":"auspicious"},{"name":"Amṛta","start":"23:06","end":"00:29","startHours":23.106021401914187,"endHours":24.488960296825507,"quality":"auspicious"},{"name":"Kāla","start":"00:29","end":"01:52","startHours":24.488960296825507,"endHours":25.871899191736826,"quality":"inauspicious"},{"name":"Śubha","start":"01:52","end":"03:15","startHours":25.871899191736826,"endHours":27.25483808664815,"quality":"auspicious"},{"name":"Roga","start":"03:15","end":"04:38","startHours":27.25483808664815,"endHours":28.63777698155947,"quality":"inauspicious"},{"name":"Udveg","start":"04:38","end":"06:01","startHours":28.63777698155947,"endHours":30.02071587647079,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:01","end":"07:01","startHours":6.0207158764707875,"endHours":7.0207158764707875,"planetary_lord":"Mercury"},{"name":"Hora 2","start":"07:01","end":"08:01","startHours":7.0207158764707875,"endHours":8.020715876470788,"planetary_lord":"Venus"},{"name":"Hora 3","start":"08:01","end":"09:01","startHours":8.020715876470788,"endHours":9.020715876470788,"planetary_lord":"Sun"},{"name":"Hora 4","start":"09:01","end":"10:01","startHours":9.020715876470788,"endHours":10.020715876470788,"planetary_lord":"Mars"},{"name":"Hora 5","start":"10:01","end":"11:01","startHours":10.020715876470788,"endHours":11.020715876470788,"planetary_lord":"Jupiter"},{"name":"Hora 6","start":"11:01","end":"12:01","startHours":11.020715876470788,"endHours":12.020715876470788,"planetary_lord":"Saturn"},{"name":"Hora 7","start":"12:01","end":"13:01","startHours":12.020715876470788,"endHours":13.020715876470788,"planetary_lord":"Moon"},{"name":"Hora 8","start":"13:01","end":"14:01","startHours":13.020715876470788,"endHours":14.020715876470788,"planetary_lord":"Mercury"},{"name":"Hora 9","start":"14:01","end":"15:01","startHours":14.020715876470788,"endHours":15.020715876470788,"planetary_lord":"Venus"},{"name":"Hora 10","start":"15:01","end":"16:01","startHours":15.020715876470788,"endHours":16.02071587647079,"planetary_lord":"Sun"},{"name":"Hora 11","start":"16:01","end":"17:01","startHours":16.02071587647079,"endHours":17.02071587647079,"planetary_lord":"Mars"},{"name":"Hora 12","start":"17:01","end":"18:01","startHours":17.02071587647079,"endHours":18.02071587647079,"planetary_lord":"Jupiter"},{"name":"Hora 13","start":"18:01","end":"19:01","startHours":18.02071587647079,"endHours":19.02071587647079,"planetary_lord":"Saturn"},{"name":"Hora 14","start":"19:01","end":"20:01","startHours":19.02071587647079,"endHours":20.02071587647079,"planetary_lord":"Moon"},{"name":"Hora 15","start":"20:01","end":"21:01","startHours":20.02071587647079,"endHours":21.02071587647079,"planetary_lord":"Mercury"},{"name":"Hora 16","start":"21:01","end":"22:01","startHours":21.02071587647079,"endHours":22.02071587647079,"planetary_lord":"Venus"},{"name":"Hora 17","start":"22:01","end":"23:01","startHours":22.02071587647079,"endHours":23.02071587647079,"planetary_lord":"Sun"},{"name":"Hora 18","start":"23:01","end":"00:01","startHours":23.02071587647079,"endHours":24.02071587647079,"planetary_lord":"Mars"},{"name":"Hora 19","start":"00:01","end":"01:01","startHours":24.02071587647079,"endHours":25.02071587647079,"planetary_lord":"Jupiter"},{"name":"Hora 20","start":"01:01","end":"02:01","startHours":25.02071587647079,"endHours":26.02071587647079,"planetary_lord":"Saturn"},{"name":"Hora 21","start":"02:01","end":"03:01","startHours":26.02071587647079,"endHours":27.02071587647079,"planetary_lord":"Moon"},{"name":"Hora 22","start":"03:01","end":"04:01","startHours":27.02071587647079,"endHours":28.02071587647079,"planetary_lord":"Mercury"},{"name":"Hora 23","start":"04:01","end":"05:01","startHours":28.02071587647079,"endHours":29.02071587647079,"planetary_lord":"Venus"},{"name":"Hora 24","start":"05:01","end":"06:01","startHours":29.02071587647079,"endHours":30.02071587647079,"planetary_lord":"Sun"}],"taraBala":{"favorable_nakshatras":["Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Hasta","Citrā","Svātī","Viśākhā","Anurādhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Revatī"],"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":"Lumba","quality":"Auspicious"},"tropicalRitu":"Vasanta (Spring)","vedicRitu":"Vasanta (Spring)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":19.4837660435572,"eotMinutes":3.6891821904695723,"ayanamsa":23.537}},"calendars":{"vikram_samvat":2034,"vikram_samvatsara":"Pramoda","saka_samvat":1899,"saka_samvatsara":"Piṅgala","bengali_samvat":1384,"malayalam_era":1153,"nanakshahi_year":508,"lunar_month":"Jyeṣṭha","lunar_month_paksha_full":"Jyeṣṭha Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Jyeṣṭha","lunar_month_amanta":"Jyeṣṭha","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Vṛṣabha (Vaikāsi)","ritu":"Grīṣma (Summer)","display_summary":"Jyeṣṭha Śukla Pratipada · 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":"-3137-10-04","event":"Mahābhārata Day 1 (Bhagavad Gītā delivered)","chart_id":"krishna","shared_marker":"same Kṛttikā","url":"/day/-3137-10-04","relevance":0.5},{"historical_date":"-3137-12-25","event":"Bhīṣma's Mahaprasthan","chart_id":"bhishma","shared_marker":"same Kṛttikā","url":"/day/-3137-12-25","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 May 18, 1977 CE · Kolhāpur, Maharashtra · Vidhyamitra","description":"May 18, 1977 CE for Kolhāpur, Maharashtra: Śukla Pratipada, sūryodaya 06:01, sūryāsta 18:57.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/kolhapur/1977-05-18","hreflang_alternates":{"en":"https://vidhyamitra.com/city/kolhapur/1977-05-18","sa":"https://sa.vidhyamitra.com/city/kolhapur/1977-05-18","hi":"https://hi.vidhyamitra.com/city/kolhapur/1977-05-18","x-default":"https://vidhyamitra.com/city/kolhapur/1977-05-18"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-02T04:40:15.234Z","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":"2026-06-02T04:40:15.234Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-02T04:40:15.234Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}