{"id":"vidhyamitra:city-day:howrah:2121-06-18:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/howrah/2121-06-18","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2121-06-18","date_display":"June 18, 2121 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":2121,"month":6,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2495907.770833,"kali_year":5223,"ahargana":1907442.2708,"sun":{"sidereal_longitude":60.8258,"rashi":3,"rashi_name":"Mithuna"},"moon":{"sidereal_longitude":96.9245,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":4,"name":"Caturthī","paksha":"Śukla","full_name":"Śukla Caturthī","elongation_degrees":36.0987,"elapsed_within_tithi_degrees":0.0987},"nakshatra":{"number":8,"name":"Puṣya","pada":2,"moon_longitude":96.9245,"elapsed_within_degrees":3.5912},"yoga":{"number":12,"name":"Dhruva","sum_longitude":157.7503},"karana":{"half_tithi_index":6,"name":"Vaṇija"},"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":2121,"month":6,"day":18,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2495907.770833,"ahargana":1907442.2708,"kali_year":5223,"ayanamsa_lahiri":25.5497,"grahas":{"sun":{"sidereal_longitude":61.345425999999975,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":3},"retrograde":false},"moon":{"sidereal_longitude":95.035526,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":1},"retrograde":false,"latitude":-0.1879},"mars":{"sidereal_longitude":133.38262600000002,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":37.13892599999997,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":93.846026,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":1},"retrograde":false},"venus":{"sidereal_longitude":18.237926000000016,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":69.58002599999998,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":274.5292,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":94.5292,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","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":2121,"month":6,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2495907.770833,"kali_year":5223,"ahargana":1907442.2708,"sun":{"sidereal_longitude":60.8258,"rashi":3,"rashi_name":"Mithuna"},"moon":{"sidereal_longitude":96.9245,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":4,"name":"Caturthī","paksha":"Śukla","full_name":"Śukla Caturthī","elongation_degrees":36.0987,"elapsed_within_tithi_degrees":0.0987},"nakshatra":{"number":8,"name":"Puṣya","pada":2,"moon_longitude":96.9245,"elapsed_within_degrees":3.5912},"yoga":{"number":12,"name":"Dhruva","sum_longitude":157.7503},"karana":{"half_tithi_index":6,"name":"Vaṇija"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-0.188,"elongation":36.099},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-0.188,"opposition_distance":143.901}},"eclipse_window_40days":[]},"city":{"slug":"howrah","name":"Howrah, West Bengal","lat":22.5958,"lon":88.2636,"tz_offset_hours":5.5,"state":"West Bengal","country":"IN","tier":"tier-1"},"tier2":{"city":{"slug":"howrah","name":"Howrah, West Bengal","lat":22.5958,"lon":88.2636,"tz_offset_hours":5.5,"state":"West Bengal","country":"IN","tier":"tier-1"},"sunriseLocal":"04:52","sunsetLocal":"18:23","solarNoonLocal":"11:38","dayLengthHours":13.516848172234532,"dayLengthDisplay":"13 Hours 31 Mins 01 Secs","nightLengthDisplay":"10 Hours 28 Mins 59 Secs","moonriseLocal":"07:15","moonsetLocal":"20:30","rahuKala":{"name":"Rāhu Kāla","start":"11:38","end":"13:19","startHours":11.629370561114996,"endHours":13.31897658264431,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"06:34","end":"08:15","startHours":6.560552496527046,"endHours":8.250158518056363,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"09:56","end":"11:38","startHours":9.939764539585678,"endHours":11.629370561114996,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:01","end":"08:29","startHours":8.024877715185786,"endHours":8.475439320926938,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"05:26","end":"05:48","startHours":5.434148482174168,"endHours":5.7945977667670885,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:11","end":"12:05","startHours":11.178808955373844,"endHours":12.079932166856148,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:04","end":"03:58","startHours":3.068700052033125,"endHours":3.969823263515427,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"03:45","end":"04:52","startHours":3.744542460644851,"endHours":4.870946474997729,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:53","end":"14:47","startHours":13.88217858982075,"endHours":14.783301801303052,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:11","end":"18:35","startHours":18.187794647232263,"endHours":18.58779464723226,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:23","end":"18:57","startHours":18.387794647232262,"endHours":18.9509966544087,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:08","end":"19:53","startHours":18.137794647232262,"endHours":19.887794647232262,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:11","end":"00:05","startHours":23.178808955373846,"endHours":24.079932166856146,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Labha","start":"04:52","end":"06:34","startHours":4.870946474997729,"endHours":6.560552496527046,"quality":"auspicious"},{"name":"Amṛta","start":"06:34","end":"08:15","startHours":6.560552496527046,"endHours":8.250158518056363,"quality":"auspicious"},{"name":"Kāla","start":"08:15","end":"09:56","startHours":8.250158518056363,"endHours":9.939764539585678,"quality":"inauspicious"},{"name":"Śubha","start":"09:56","end":"11:38","startHours":9.939764539585678,"endHours":11.629370561114996,"quality":"auspicious"},{"name":"Roga","start":"11:38","end":"13:19","startHours":11.629370561114996,"endHours":13.31897658264431,"quality":"inauspicious"},{"name":"Udveg","start":"13:19","end":"15:01","startHours":13.31897658264431,"endHours":15.008582604173629,"quality":"inauspicious"},{"name":"Chala","start":"15:01","end":"16:42","startHours":15.008582604173629,"endHours":16.698188625702944,"quality":"neutral"},{"name":"Labha","start":"16:42","end":"18:23","startHours":16.698188625702944,"endHours":18.387794647232262,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Udveg","start":"18:23","end":"19:42","startHours":18.387794647232262,"endHours":19.698188625702947,"quality":"inauspicious"},{"name":"Chala","start":"19:42","end":"21:01","startHours":19.698188625702947,"endHours":21.00858260417363,"quality":"neutral"},{"name":"Labha","start":"21:01","end":"22:19","startHours":21.00858260417363,"endHours":22.31897658264431,"quality":"auspicious"},{"name":"Amṛta","start":"22:19","end":"23:38","startHours":22.31897658264431,"endHours":23.629370561114996,"quality":"auspicious"},{"name":"Kāla","start":"23:38","end":"00:56","startHours":23.629370561114996,"endHours":24.93976453958568,"quality":"inauspicious"},{"name":"Śubha","start":"00:56","end":"02:15","startHours":24.93976453958568,"endHours":26.250158518056363,"quality":"auspicious"},{"name":"Roga","start":"02:15","end":"03:34","startHours":26.250158518056363,"endHours":27.560552496527045,"quality":"inauspicious"},{"name":"Udveg","start":"03:34","end":"04:52","startHours":27.560552496527045,"endHours":28.87094647499773,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"04:52","end":"05:52","startHours":4.870946474997729,"endHours":5.870946474997729,"planetary_lord":"Mercury"},{"name":"Hora 2","start":"05:52","end":"06:52","startHours":5.870946474997729,"endHours":6.870946474997729,"planetary_lord":"Venus"},{"name":"Hora 3","start":"06:52","end":"07:52","startHours":6.870946474997729,"endHours":7.870946474997729,"planetary_lord":"Sun"},{"name":"Hora 4","start":"07:52","end":"08:52","startHours":7.870946474997729,"endHours":8.87094647499773,"planetary_lord":"Mars"},{"name":"Hora 5","start":"08:52","end":"09:52","startHours":8.87094647499773,"endHours":9.87094647499773,"planetary_lord":"Jupiter"},{"name":"Hora 6","start":"09:52","end":"10:52","startHours":9.87094647499773,"endHours":10.87094647499773,"planetary_lord":"Saturn"},{"name":"Hora 7","start":"10:52","end":"11:52","startHours":10.87094647499773,"endHours":11.87094647499773,"planetary_lord":"Moon"},{"name":"Hora 8","start":"11:52","end":"12:52","startHours":11.87094647499773,"endHours":12.87094647499773,"planetary_lord":"Mercury"},{"name":"Hora 9","start":"12:52","end":"13:52","startHours":12.87094647499773,"endHours":13.87094647499773,"planetary_lord":"Venus"},{"name":"Hora 10","start":"13:52","end":"14:52","startHours":13.87094647499773,"endHours":14.87094647499773,"planetary_lord":"Sun"},{"name":"Hora 11","start":"14:52","end":"15:52","startHours":14.87094647499773,"endHours":15.87094647499773,"planetary_lord":"Mars"},{"name":"Hora 12","start":"15:52","end":"16:52","startHours":15.87094647499773,"endHours":16.87094647499773,"planetary_lord":"Jupiter"},{"name":"Hora 13","start":"16:52","end":"17:52","startHours":16.87094647499773,"endHours":17.87094647499773,"planetary_lord":"Saturn"},{"name":"Hora 14","start":"17:52","end":"18:52","startHours":17.87094647499773,"endHours":18.87094647499773,"planetary_lord":"Moon"},{"name":"Hora 15","start":"18:52","end":"19:52","startHours":18.87094647499773,"endHours":19.87094647499773,"planetary_lord":"Mercury"},{"name":"Hora 16","start":"19:52","end":"20:52","startHours":19.87094647499773,"endHours":20.87094647499773,"planetary_lord":"Venus"},{"name":"Hora 17","start":"20:52","end":"21:52","startHours":20.87094647499773,"endHours":21.87094647499773,"planetary_lord":"Sun"},{"name":"Hora 18","start":"21:52","end":"22:52","startHours":21.87094647499773,"endHours":22.87094647499773,"planetary_lord":"Mars"},{"name":"Hora 19","start":"22:52","end":"23:52","startHours":22.87094647499773,"endHours":23.87094647499773,"planetary_lord":"Jupiter"},{"name":"Hora 20","start":"23:52","end":"00:52","startHours":23.87094647499773,"endHours":24.87094647499773,"planetary_lord":"Saturn"},{"name":"Hora 21","start":"00:52","end":"01:52","startHours":24.87094647499773,"endHours":25.87094647499773,"planetary_lord":"Moon"},{"name":"Hora 22","start":"01:52","end":"02:52","startHours":25.87094647499773,"endHours":26.87094647499773,"planetary_lord":"Mercury"},{"name":"Hora 23","start":"02:52","end":"03:52","startHours":26.87094647499773,"endHours":27.87094647499773,"planetary_lord":"Venus"},{"name":"Hora 24","start":"03:52","end":"04:52","startHours":27.87094647499773,"endHours":28.87094647499773,"planetary_lord":"Sun"}],"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","Karka","Kanyā","Dhanu","Makara"],"unfavorable_rashis":["Mithuna","Siṃha","Tulā","Vṛścika","Kumbha","Mīna"]},"dishaShool":"North (Uttara)","chandraVasa":"South-West","rahuVasa":"South-West","anandadiYoga":{"name":"Śubha","quality":"Auspicious"},"tropicalRitu":"Grīṣma (Summer)","vedicRitu":"Grīṣma (Summer)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":23.400045304316297,"eotMinutes":-0.8166336668997627,"ayanamsa":25.5497}},"calendars":{"vikram_samvat":2178,"vikram_samvatsara":"Jaya","saka_samvat":2043,"saka_samvatsara":"Vṛṣa","bengali_samvat":1528,"malayalam_era":1297,"nanakshahi_year":652,"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":"Mithuna (Āni)","ritu":"Grīṣma (Summer)","display_summary":"Jyeṣṭha Śukla Caturthī · Vikram 2178 Jaya · Śaka 2043 Vṛṣa"},"festivals":[{"id":"vinayaka-chaturthi","name":"Vināyaka Caturthī (monthly)","name_sanskrit":"विनायक चतुर्थी","tradition":"Pan-Hindu","associated_deity":"Gaṇeśa","significance":"Monthly Śukla-pakṣa Caturthī; auspicious for new ventures.","vrata":true,"detection":{"tithi_number":4,"tithi_paksha":"Śukla"},"precedence":6}],"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":[]},"validity":{"eternal":false,"location_specific":"howrah"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga June 18, 2121 CE · Howrah, West Bengal · Vidhyamitra","description":"June 18, 2121 CE for Howrah, West Bengal: Śukla Caturthī, sūryodaya 04:52, sūryāsta 18:23.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/howrah/2121-06-18","hreflang_alternates":{"en":"https://vidhyamitra.com/city/howrah/2121-06-18","sa":"https://sa.vidhyamitra.com/city/howrah/2121-06-18","hi":"https://hi.vidhyamitra.com/city/howrah/2121-06-18","x-default":"https://vidhyamitra.com/city/howrah/2121-06-18"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-02T10:27:24.754Z","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":"2026-06-02T10:27:24.754Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-02T10:27:24.754Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}