{"id":"vidhyamitra:city-day:howrah:2137-08-31:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/howrah/2137-08-31","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2137-08-31","date_display":"August 31, 2137 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":2137,"month":8,"day":31,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2501825.770833,"kali_year":5239,"ahargana":1913360.2708,"sun":{"sidereal_longitude":131.0437,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":313.2923,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":16,"name":"Pratipada","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Pratipada","elongation_degrees":182.2487,"elapsed_within_tithi_degrees":2.2487},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":2,"moon_longitude":313.2923,"elapsed_within_degrees":6.6257},"yoga":{"number":7,"name":"Sukarma","sum_longitude":84.336},"karana":{"half_tithi_index":30,"name":"Bālava"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"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":2137,"month":8,"day":31,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2501825.770833,"ahargana":1913360.2708,"kali_year":5239,"ayanamsa_lahiri":25.7761,"grahas":{"sun":{"sidereal_longitude":132.053715,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":4},"retrograde":false},"moon":{"sidereal_longitude":312.975315,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":2},"retrograde":false,"latitude":-0.6002},"mars":{"sidereal_longitude":79.59651500000001,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":119.26111500000002,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":211.27321499999994,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":16,"name":"Viśākhā","pada":4},"retrograde":false},"venus":{"sidereal_longitude":106.31561499999998,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":261.218715,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":3},"retrograde":true},"rahu":{"sidereal_longitude":320.9651,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":140.9651,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":3},"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":2137,"month":8,"day":31,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2501825.770833,"kali_year":5239,"ahargana":1913360.2708,"sun":{"sidereal_longitude":131.0437,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":313.2923,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":16,"name":"Pratipada","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Pratipada","elongation_degrees":182.2487,"elapsed_within_tithi_degrees":2.2487},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":2,"moon_longitude":313.2923,"elapsed_within_degrees":6.6257},"yoga":{"number":7,"name":"Sukarma","sum_longitude":84.336},"karana":{"half_tithi_index":30,"name":"Bālava"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-0.6,"elongation":177.751},"lunar":{"type":"lunar","occurs":true,"moon_latitude":-0.6,"opposition_distance":2.249}},"eclipse_window_40days":[{"offset_days":0,"type":"lunar","occurs":true,"moon_latitude":-0.6,"opposition_distance":2.249}]},"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":"05:19","sunsetLocal":"17:55","solarNoonLocal":"11:37","dayLengthHours":12.60495389417084,"dayLengthDisplay":"12 Hours 36 Mins 18 Secs","nightLengthDisplay":"11 Hours 23 Mins 42 Secs","moonriseLocal":"17:52","moonsetLocal":"05:29","rahuKala":{"name":"Rāhu Kāla","start":"08:28","end":"10:02","startHours":8.462095034400836,"endHours":10.03771427117219,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"13:11","end":"14:46","startHours":13.1889527447149,"endHours":14.764571981486256,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"05:19","end":"06:53","startHours":5.310856560858125,"endHours":6.88647579762948,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:15","end":"08:40","startHours":8.252012469497988,"endHours":8.672177599303682,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"05:50","end":"06:10","startHours":5.836062973115243,"endHours":6.172195076959799,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:12","end":"12:02","startHours":11.19316837813785,"endHours":12.033498637749238,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:38","end":"04:28","startHours":3.6301960416353456,"endHours":4.470526301246736,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:16","end":"05:19","startHours":4.260443736343888,"endHours":5.310856560858125,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:43","end":"14:33","startHours":13.71415915697202,"endHours":14.55448941658341,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:43","end":"18:07","startHours":17.715810455028965,"endHours":18.115810455028964,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:55","end":"18:26","startHours":17.915810455028964,"endHours":18.441016867286084,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:40","end":"19:25","startHours":17.665810455028964,"endHours":19.415810455028964,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:12","end":"00:02","startHours":23.193168378137848,"endHours":24.03349863774924,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"05:19","end":"06:53","startHours":5.310856560858125,"endHours":6.88647579762948,"quality":"inauspicious"},{"name":"Śubha","start":"06:53","end":"08:28","startHours":6.88647579762948,"endHours":8.462095034400836,"quality":"auspicious"},{"name":"Roga","start":"08:28","end":"10:02","startHours":8.462095034400836,"endHours":10.03771427117219,"quality":"inauspicious"},{"name":"Udveg","start":"10:02","end":"11:37","startHours":10.03771427117219,"endHours":11.613333507943544,"quality":"inauspicious"},{"name":"Chala","start":"11:37","end":"13:11","startHours":11.613333507943544,"endHours":13.1889527447149,"quality":"neutral"},{"name":"Labha","start":"13:11","end":"14:46","startHours":13.1889527447149,"endHours":14.764571981486256,"quality":"auspicious"},{"name":"Amṛta","start":"14:46","end":"16:20","startHours":14.764571981486256,"endHours":16.34019121825761,"quality":"auspicious"},{"name":"Kāla","start":"16:20","end":"17:55","startHours":16.34019121825761,"endHours":17.915810455028964,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"17:55","end":"19:20","startHours":17.915810455028964,"endHours":19.34019121825761,"quality":"auspicious"},{"name":"Amṛta","start":"19:20","end":"20:46","startHours":19.34019121825761,"endHours":20.764571981486256,"quality":"auspicious"},{"name":"Kāla","start":"20:46","end":"22:11","startHours":20.764571981486256,"endHours":22.1889527447149,"quality":"inauspicious"},{"name":"Śubha","start":"22:11","end":"23:37","startHours":22.1889527447149,"endHours":23.613333507943544,"quality":"auspicious"},{"name":"Roga","start":"23:37","end":"01:02","startHours":23.613333507943544,"endHours":25.037714271172188,"quality":"inauspicious"},{"name":"Udveg","start":"01:02","end":"02:28","startHours":25.037714271172188,"endHours":26.462095034400832,"quality":"inauspicious"},{"name":"Chala","start":"02:28","end":"03:53","startHours":26.462095034400832,"endHours":27.88647579762948,"quality":"neutral"},{"name":"Labha","start":"03:53","end":"05:19","startHours":27.88647579762948,"endHours":29.310856560858124,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:19","end":"06:19","startHours":5.310856560858125,"endHours":6.310856560858125,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"06:19","end":"07:19","startHours":6.310856560858125,"endHours":7.310856560858125,"planetary_lord":"Moon"},{"name":"Hora 3","start":"07:19","end":"08:19","startHours":7.310856560858125,"endHours":8.310856560858124,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"08:19","end":"09:19","startHours":8.310856560858124,"endHours":9.310856560858124,"planetary_lord":"Venus"},{"name":"Hora 5","start":"09:19","end":"10:19","startHours":9.310856560858124,"endHours":10.310856560858124,"planetary_lord":"Sun"},{"name":"Hora 6","start":"10:19","end":"11:19","startHours":10.310856560858124,"endHours":11.310856560858124,"planetary_lord":"Mars"},{"name":"Hora 7","start":"11:19","end":"12:19","startHours":11.310856560858124,"endHours":12.310856560858124,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"12:19","end":"13:19","startHours":12.310856560858124,"endHours":13.310856560858124,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"13:19","end":"14:19","startHours":13.310856560858124,"endHours":14.310856560858124,"planetary_lord":"Moon"},{"name":"Hora 10","start":"14:19","end":"15:19","startHours":14.310856560858124,"endHours":15.310856560858124,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"15:19","end":"16:19","startHours":15.310856560858124,"endHours":16.310856560858124,"planetary_lord":"Venus"},{"name":"Hora 12","start":"16:19","end":"17:19","startHours":16.310856560858124,"endHours":17.310856560858124,"planetary_lord":"Sun"},{"name":"Hora 13","start":"17:19","end":"18:19","startHours":17.310856560858124,"endHours":18.310856560858124,"planetary_lord":"Mars"},{"name":"Hora 14","start":"18:19","end":"19:19","startHours":18.310856560858124,"endHours":19.310856560858124,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"19:19","end":"20:19","startHours":19.310856560858124,"endHours":20.310856560858124,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"20:19","end":"21:19","startHours":20.310856560858124,"endHours":21.310856560858124,"planetary_lord":"Moon"},{"name":"Hora 17","start":"21:19","end":"22:19","startHours":21.310856560858124,"endHours":22.310856560858124,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"22:19","end":"23:19","startHours":22.310856560858124,"endHours":23.310856560858124,"planetary_lord":"Venus"},{"name":"Hora 19","start":"23:19","end":"00:19","startHours":23.310856560858124,"endHours":24.310856560858124,"planetary_lord":"Sun"},{"name":"Hora 20","start":"00:19","end":"01:19","startHours":24.310856560858124,"endHours":25.310856560858124,"planetary_lord":"Mars"},{"name":"Hora 21","start":"01:19","end":"02:19","startHours":25.310856560858124,"endHours":26.310856560858124,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"02:19","end":"03:19","startHours":26.310856560858124,"endHours":27.310856560858124,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"03:19","end":"04:19","startHours":27.310856560858124,"endHours":28.310856560858124,"planetary_lord":"Moon"},{"name":"Hora 24","start":"04:19","end":"05:19","startHours":28.310856560858124,"endHours":29.310856560858124,"planetary_lord":"Mercury"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Punarvasu","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Uttara Phalgunī","Hasta","Citrā","Svātī","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Karka","Siṃha","Vṛścika","Dhanu","Kumbha"],"unfavorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Tulā","Makara","Mīna"]},"dishaShool":"East (Pūrva)","chandraVasa":"South","rahuVasa":"East","anandadiYoga":{"name":"Śubha","quality":"Auspicious"},"tropicalRitu":"Varṣā (Monsoon) (tropical)","vedicRitu":"Varṣā (Monsoon)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":8.63202053305803,"eotMinutes":0.14558952338733633,"ayanamsa":25.7761}},"calendars":{"vikram_samvat":2194,"vikram_samvatsara":"Sādhāraṇa","saka_samvat":2059,"saka_samvatsara":"Hemalambī","bengali_samvat":1544,"malayalam_era":1313,"nanakshahi_year":668,"lunar_month":"Bhādrapada","lunar_month_paksha_full":"Bhādrapada Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Bhādrapada","lunar_month_amanta":"Śrāvaṇa","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Siṃha (Āvaṇi)","ritu":"Varṣā (Monsoon)","display_summary":"Bhādrapada Kṛṣṇa Pratipada · Vikram 2194 Sādhāraṇa · Śaka 2059 Hemalambī"},"festivals":[{"id":"pitra-paksha-start","name":"Pitṛ-Pakṣa Start","name_sanskrit":"पितृ पक्ष आरम्भ","tradition":"Pan-Hindu","associated_deity":"Pitṛ-gaṇa","significance":"Begin 16-day śrāddha period for ancestors. Bhādrapada Pūrṇimā next-day.","vrata":true,"detection":{"tithi_number":16,"tithi_paksha":"Kṛṣṇa","lunar_month":"Bhādrapada"},"precedence":2}],"todays_walk":{"walk":{"id":"shani-walk","name":"Śani Walk","name_sanskrit":"शनि यात्रा","type":"graha","description":"Tapas + endurance + BG 17.14-19.","step_count":7,"url":"/walk/shani-walk"},"reason":"Śanivāra (Saturday) — 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 August 31, 2137 CE · Howrah, West Bengal · Vidhyamitra","description":"August 31, 2137 CE for Howrah, West Bengal: Kṛṣṇa Pratipada, sūryodaya 05:19, sūryāsta 17:55.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/howrah/2137-08-31","hreflang_alternates":{"en":"https://vidhyamitra.com/city/howrah/2137-08-31","sa":"https://sa.vidhyamitra.com/city/howrah/2137-08-31","hi":"https://hi.vidhyamitra.com/city/howrah/2137-08-31","x-default":"https://vidhyamitra.com/city/howrah/2137-08-31"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T20:57:08.880Z","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":"2026-06-01T20:57:08.880Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T20:57:08.880Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}