{"id":"vidhyamitra:city-day:kolhapur:2180-09-25:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/kolhapur/2180-09-25","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2180-09-25","date_display":"September 25, 2180 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":2180,"month":9,"day":25,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2517556.770833,"kali_year":5282,"ahargana":1929091.2708,"sun":{"sidereal_longitude":155.1579,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":225.9944,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":6,"name":"Ṣaṣṭhī","paksha":"Śukla","full_name":"Śukla Ṣaṣṭhī","elongation_degrees":70.8365,"elapsed_within_tithi_degrees":10.8365},"nakshatra":{"number":17,"name":"Anurādhā","pada":4,"moon_longitude":225.9944,"elapsed_within_degrees":12.6611},"yoga":{"number":2,"name":"Prīti","sum_longitude":21.1523},"karana":{"half_tithi_index":11,"name":"Taitila"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"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":2180,"month":9,"day":25,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2517556.770833,"ahargana":1929091.2708,"kali_year":5282,"ayanamsa_lahiri":26.3777,"grahas":{"sun":{"sidereal_longitude":156.337675,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":3},"retrograde":false},"moon":{"sidereal_longitude":229.685475,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":1},"retrograde":false,"latitude":1.429},"mars":{"sidereal_longitude":53.32737500000002,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":146.93257499999999,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":106.10047500000002,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":4},"retrograde":false},"venus":{"sidereal_longitude":121.901975,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":81.16267500000004,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":207.461,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":27.461,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":3,"name":"Kṛttikā","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":2180,"month":9,"day":25,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2517556.770833,"kali_year":5282,"ahargana":1929091.2708,"sun":{"sidereal_longitude":155.1579,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":225.9944,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":6,"name":"Ṣaṣṭhī","paksha":"Śukla","full_name":"Śukla Ṣaṣṭhī","elongation_degrees":70.8365,"elapsed_within_tithi_degrees":10.8365},"nakshatra":{"number":17,"name":"Anurādhā","pada":4,"moon_longitude":225.9944,"elapsed_within_degrees":12.6611},"yoga":{"number":2,"name":"Prīti","sum_longitude":21.1523},"karana":{"half_tithi_index":11,"name":"Taitila"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":1.429,"elongation":70.836},"lunar":{"type":"lunar","occurs":false,"moon_latitude":1.429,"opposition_distance":109.164}},"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":"06:22","sunsetLocal":"18:26","solarNoonLocal":"12:24","dayLengthHours":12.072771130129073,"dayLengthDisplay":"12 Hours 04 Mins 22 Secs","nightLengthDisplay":"11 Hours 55 Mins 38 Secs","moonriseLocal":"11:43","moonsetLocal":"22:51","rahuKala":{"name":"Rāhu Kāla","start":"07:52","end":"09:23","startHours":7.870715383062564,"endHours":9.379811774328697,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"10:53","end":"12:24","startHours":10.888908165594831,"endHours":12.398004556860965,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"13:54","end":"15:25","startHours":13.907100948127098,"endHours":15.416197339393236,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:11","end":"09:35","startHours":9.178598922159878,"endHours":9.581024626497515,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:52","end":"07:11","startHours":6.864651122218474,"endHours":7.186591685688582,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:00","end":"12:48","startHours":11.99557885252333,"endHours":12.800430261198603,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:45","end":"05:33","startHours":4.751916174445886,"endHours":5.556767583121157,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:21","end":"06:22","startHours":5.35555473095234,"endHours":6.361618991796429,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:25","end":"15:13","startHours":14.410133078549144,"endHours":15.214984487224415,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:14","end":"18:38","startHours":18.234390121925504,"endHours":18.634390121925502,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:26","end":"18:56","startHours":18.434390121925503,"endHours":18.93742225234755,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:11","end":"19:56","startHours":18.184390121925503,"endHours":19.934390121925503,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:00","end":"00:48","startHours":23.995578852523334,"endHours":24.800430261198603,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"06:22","end":"07:52","startHours":6.361618991796429,"endHours":7.870715383062564,"quality":"auspicious"},{"name":"Kāla","start":"07:52","end":"09:23","startHours":7.870715383062564,"endHours":9.379811774328697,"quality":"inauspicious"},{"name":"Śubha","start":"09:23","end":"10:53","startHours":9.379811774328697,"endHours":10.888908165594831,"quality":"auspicious"},{"name":"Roga","start":"10:53","end":"12:24","startHours":10.888908165594831,"endHours":12.398004556860965,"quality":"inauspicious"},{"name":"Udveg","start":"12:24","end":"13:54","startHours":12.398004556860965,"endHours":13.907100948127098,"quality":"inauspicious"},{"name":"Chala","start":"13:54","end":"15:25","startHours":13.907100948127098,"endHours":15.416197339393236,"quality":"neutral"},{"name":"Labha","start":"15:25","end":"16:56","startHours":15.416197339393236,"endHours":16.92529373065937,"quality":"auspicious"},{"name":"Amṛta","start":"16:56","end":"18:26","startHours":16.92529373065937,"endHours":18.434390121925503,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"18:26","end":"19:56","startHours":18.434390121925503,"endHours":19.92529373065937,"quality":"neutral"},{"name":"Labha","start":"19:56","end":"21:25","startHours":19.92529373065937,"endHours":21.416197339393236,"quality":"auspicious"},{"name":"Amṛta","start":"21:25","end":"22:54","startHours":21.416197339393236,"endHours":22.907100948127102,"quality":"auspicious"},{"name":"Kāla","start":"22:54","end":"00:24","startHours":22.907100948127102,"endHours":24.39800455686097,"quality":"inauspicious"},{"name":"Śubha","start":"00:24","end":"01:53","startHours":24.39800455686097,"endHours":25.888908165594835,"quality":"auspicious"},{"name":"Roga","start":"01:53","end":"03:23","startHours":25.888908165594835,"endHours":27.379811774328697,"quality":"inauspicious"},{"name":"Udveg","start":"03:23","end":"04:52","startHours":27.379811774328697,"endHours":28.870715383062564,"quality":"inauspicious"},{"name":"Chala","start":"04:52","end":"06:22","startHours":28.870715383062564,"endHours":30.36161899179643,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"06:22","end":"07:22","startHours":6.361618991796429,"endHours":7.361618991796429,"planetary_lord":"Moon"},{"name":"Hora 2","start":"07:22","end":"08:22","startHours":7.361618991796429,"endHours":8.36161899179643,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"08:22","end":"09:22","startHours":8.36161899179643,"endHours":9.36161899179643,"planetary_lord":"Venus"},{"name":"Hora 4","start":"09:22","end":"10:22","startHours":9.36161899179643,"endHours":10.36161899179643,"planetary_lord":"Sun"},{"name":"Hora 5","start":"10:22","end":"11:22","startHours":10.36161899179643,"endHours":11.36161899179643,"planetary_lord":"Mars"},{"name":"Hora 6","start":"11:22","end":"12:22","startHours":11.36161899179643,"endHours":12.36161899179643,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"12:22","end":"13:22","startHours":12.36161899179643,"endHours":13.36161899179643,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"13:22","end":"14:22","startHours":13.36161899179643,"endHours":14.36161899179643,"planetary_lord":"Moon"},{"name":"Hora 9","start":"14:22","end":"15:22","startHours":14.36161899179643,"endHours":15.36161899179643,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"15:22","end":"16:22","startHours":15.36161899179643,"endHours":16.36161899179643,"planetary_lord":"Venus"},{"name":"Hora 11","start":"16:22","end":"17:22","startHours":16.36161899179643,"endHours":17.36161899179643,"planetary_lord":"Sun"},{"name":"Hora 12","start":"17:22","end":"18:22","startHours":17.36161899179643,"endHours":18.36161899179643,"planetary_lord":"Mars"},{"name":"Hora 13","start":"18:22","end":"19:22","startHours":18.36161899179643,"endHours":19.36161899179643,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"19:22","end":"20:22","startHours":19.36161899179643,"endHours":20.36161899179643,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"20:22","end":"21:22","startHours":20.36161899179643,"endHours":21.36161899179643,"planetary_lord":"Moon"},{"name":"Hora 16","start":"21:22","end":"22:22","startHours":21.36161899179643,"endHours":22.36161899179643,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"22:22","end":"23:22","startHours":22.36161899179643,"endHours":23.36161899179643,"planetary_lord":"Venus"},{"name":"Hora 18","start":"23:22","end":"00:22","startHours":23.36161899179643,"endHours":24.36161899179643,"planetary_lord":"Sun"},{"name":"Hora 19","start":"00:22","end":"01:22","startHours":24.36161899179643,"endHours":25.36161899179643,"planetary_lord":"Mars"},{"name":"Hora 20","start":"01:22","end":"02:22","startHours":25.36161899179643,"endHours":26.36161899179643,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"02:22","end":"03:22","startHours":26.36161899179643,"endHours":27.36161899179643,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"03:22","end":"04:22","startHours":27.36161899179643,"endHours":28.36161899179643,"planetary_lord":"Moon"},{"name":"Hora 23","start":"04:22","end":"05:22","startHours":28.36161899179643,"endHours":29.36161899179643,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"05:22","end":"06:22","startHours":29.36161899179643,"endHours":30.36161899179643,"planetary_lord":"Venus"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Revatī"],"unfavorable_nakshatras":["Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Citrā","Svātī","Viśākhā","Anurādhā","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Kanyā","Vṛścika","Makara"],"unfavorable_rashis":["Mithuna","Karka","Tulā","Dhanu","Kumbha","Mīna"]},"dishaShool":"East (Pūrva)","chandraVasa":"North-East","rahuVasa":"North-East","anandadiYoga":{"name":"Amṛta","quality":"Auspicious"},"tropicalRitu":"Śarad (Autumn) (tropical)","vedicRitu":"Varṣā (Monsoon)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-1.0796524377229542,"eotMinutes":9.146526588342006,"ayanamsa":26.3777}},"calendars":{"vikram_samvat":2237,"vikram_samvatsara":"Vijaya","saka_samvat":2102,"saka_samvatsara":"Vikrama","bengali_samvat":1587,"malayalam_era":1356,"nanakshahi_year":711,"lunar_month":"Bhādrapada","lunar_month_paksha_full":"Bhādrapada Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Bhādrapada","lunar_month_amanta":"Bhādrapada","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Kanyā (Puraṭṭāsi)","ritu":"Varṣā (Monsoon)","display_summary":"Bhādrapada Śukla Ṣaṣṭhī · Vikram 2237 Vijaya · Śaka 2102 Vikrama"},"festivals":[{"id":"subrahmanya-shashthi","name":"Subrahmaṇya Ṣaṣṭhī","name_sanskrit":"सुब्रह्मण्य षष्ठी","tradition":"Shaiva","associated_deity":"Kārttikeya","significance":"Worship of Kārttikeya as Subrahmaṇya.","vrata":true,"detection":{"tithi_number":6,"tithi_paksha":"Śukla","lunar_month":"Bhādrapada"},"precedence":4}],"todays_walk":{"walk":{"id":"chandra-walk","name":"Candra Walk","name_sanskrit":"चन्द्र यात्रा","type":"graha","description":"Manas-control + BG 6.5-7.","step_count":5,"url":"/walk/chandra-walk"},"reason":"Somavāra (Monday) — its presiding graha's walk."},"cosmic_resonances":[]},"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 September 25, 2180 CE · Kolhāpur, Maharashtra · Vidhyamitra","description":"September 25, 2180 CE for Kolhāpur, Maharashtra: Śukla Ṣaṣṭhī, sūryodaya 06:22, sūryāsta 18:26.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/kolhapur/2180-09-25","hreflang_alternates":{"en":"https://vidhyamitra.com/city/kolhapur/2180-09-25","sa":"https://sa.vidhyamitra.com/city/kolhapur/2180-09-25","hi":"https://hi.vidhyamitra.com/city/kolhapur/2180-09-25","x-default":"https://vidhyamitra.com/city/kolhapur/2180-09-25"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T14:45:07.077Z","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":"2026-05-31T14:45:07.077Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T14:45:07.077Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}